BEGIN:VCALENDAR VERSION:2.0 X-WR-CALNAME:Manhattan Project National Historical Park Events X-WR-CALDESC:Upcoming events at Manhattan Project National Historical Park REFRESH-INTERVAL;VALUE=DURATION:PT12H CALSCALE:GREGORIAN PRODID:adamgibbons/ics METHOD:PUBLISH X-PUBLISHED-TTL:PT12H BEGIN:VEVENT UID:434C625C-A99A-CAA9-2F9749673CA068F6@nps-ical SUMMARY:Building America's Secret City: Guided Ranger Walk in Jackson Squar e [Oak Ridge\, TN] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260516T110000 DTEND;TZID=America/Denver:20260516T120000 DESCRIPTION:Manhattan Project National Historical Park will present a free program in Jackson Square. \n\nJackson Square\, or Town Center No. 1\, for med the social and economic center of the wartime community of Oak Ridge. Stroll through the townsite to learn how Oak Ridgers created community in the atomic city.\n\nDuring the walk\, rangers and visitors will discuss wh at it took to shape Oak Ridge during World War II through routines and tra ditions brought from near and far.\n\nEvent details: https://www.nps.gov/p lanyourvisit/event-details.htm?id=434C625C-A99A-CAA9-2F9749673CA068F6\n\nA ll events: https://www.nps.gov/mapr/planyourvisit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=434C625C-A99A-CA A9-2F9749673CA068F6 LOCATION:Jackson Square\, Oak Ridge\, TN\n243 Jackson Square\, Oak Ridge\, TN 37830\n\nThe program will begin at the fountain in the main parking lot . CATEGORIES:Guided Tour,Walk END:VEVENT BEGIN:VEVENT UID:FB688D6B-9419-E9F1-E14DDF1CF958B0D8@nps-ical SUMMARY:Hike Through Time [Richland\, WA] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260516T090000 DTEND;TZID=America/Denver:20260516T110000 DESCRIPTION:Join Manhattan Project National Historical Park rangers and REA CH Museum educators for a free guided\, 3.6-mile (5.8 km) round-trip hike up Candy Mountain on Saturday\, May 16 from 9:00 am to 11:00 am. There wil l be several stops along the trail up to the summit where rangers will sha re short histories about the events and people that shaped the mid-Columbi a region. Hikers will move forward in time as the stops progress from the Ice Age Floods to the Manhattan Project and its legacies. Topics will incl ude the Native Peoples who have lived here since time immemorial\, the Lew is and Clark Expedition\, the arrival of Christian missionaries\, and the selection of Hanford for plutonium production during World War II.\n\n \n\ nMeet in the Candy Mountain trailhead parking lot by 8:45 am for a 9:00 am departure.\n\n \n\nTo ensure the safety of all participants\, hikers will :\n\nBe able to go the distance. This is a moderate hike to the top of Can dy Mountain.\n\nBe prepared to be outside for several hours and dress appr opriately for the weather. Close-toed shoes\, long pants\, jacket\, and gl oves as appropriate for the weather are recommended.\n\nBring water and sn acks to make sure you have enough energy to complete the hike. Food and wa ter are not provided or available for purchase during the hike.\n\nMore in fo: https://www.nps.gov/mapr/planyourvisit/hanford-programs.htm\n\nEvent d etails: https://www.nps.gov/planyourvisit/event-details.htm?id=FB688D6B-94 19-E9F1-E14DDF1CF958B0D8\n\nAll events: https://www.nps.gov/mapr/planyourv isit/calendar.htm URL:https://www.nps.gov/mapr/planyourvisit/hanford-programs.htm LOCATION:Candy Mountain Preserve Trailhead 71004 E 669 PR NE\, Richland\, W A 99352 CATEGORIES:Guided Tour,Hike END:VEVENT BEGIN:VEVENT UID:4F698E16-ACEA-AA0A-CFD46714ABC88661@nps-ical SUMMARY:Beyond the Bomb: Stories of the Atomic Age [Oak Ridge\, TN] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260519T140000 DTEND;TZID=America/Denver:20260519T150000 DESCRIPTION:Join Manhattan Project National Historical Park\, in partnershi p with Oak Ridge Associated Universities (ORAU) in exploring the peaceful uses of the atom.  Utilizing the rich history and museum collection of the ORAU Museum of Radiation and Radioactivity\, this program will dive into atomic culture and innovations in medicine sparked by the Manhattan Projec t and expanded during the atomic age. Participants will have the unique op portunity to explore the Museum of Radiation and Radioactivity\, not regul arly open to the public.\n\nEvent details: https://www.nps.gov/planyourvis it/event-details.htm?id=4F698E16-ACEA-AA0A-CFD46714ABC88661\n\nAll events: https://www.nps.gov/mapr/planyourvisit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=4F698E16-ACEA-AA 0A-CFD46714ABC88661 LOCATION:210 Badger Ave\, Oak Ridge\, TN 37830\nORAU Museum of Radiation an d Radioactivity located within the Pollard Center. CATEGORIES:Talk END:VEVENT BEGIN:VEVENT UID:3CD62F40-986A-67C3-BEA536EA19620A39@nps-ical SUMMARY:Building America's Secret City: Guided Ranger Walk in Jackson Squar e [Oak Ridge\, TN] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260521T180000 DTEND;TZID=America/Denver:20260521T190000 DESCRIPTION:Manhattan Project National Historical Park will present a free program in Jackson Square. \n\nJackson Square\, or Town Center No. 1\, for med the social and economic center of the wartime community of Oak Ridge. Stroll through the townsite to learn how Oak Ridgers created community in the atomic city.\n\nDuring the walk\, rangers and visitors will discuss wh at it took to shape Oak Ridge during World War II through routines and tra ditions brought from near and far.\n\n \n\nProgram ends at the Jackson Squ are Tennis Courts right on time for the Tennis Court Dance.\n\nEvent detai ls: https://www.nps.gov/planyourvisit/event-details.htm?id=3CD62F40-986A-6 7C3-BEA536EA19620A39\n\nAll events: https://www.nps.gov/mapr/planyourvisit /calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=3CD62F40-986A-67 C3-BEA536EA19620A39 LOCATION:Jackson Square\, Oak Ridge\, TN\n243 Jackson Square\, Oak Ridge\, TN 37830\n\nThe program will begin at the fountain in the main parking lot . CATEGORIES:Walk RRULE:UNTIL=20261016T040000Z;FREQ=MONTHLY;BYSETPOS=3;WKST=SU;BYDAY=TH;INTER VAL=1 END:VEVENT BEGIN:VEVENT UID:3CE60324-B09B-E05D-8E922DE8E7B9319C@nps-ical SUMMARY:Tennis Court Dance [Oak Ridge\, TN] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260521T190000 DTEND;TZID=America/Denver:20260521T200000 DESCRIPTION:Put on your dancing shoes\, another summer of Tennis Court Danc es are kicking off on the Jackson Square Tennis Courts. Held monthly on th e third Thursday\, Manhattan Project National Historical Park recreates th e open air tennis court dances held during the Manhattan Project to entert ain the 75\,000 war workers and their families contained within America’s Secret City.\n\nThe dances are an all-ages event\, and all are encouraged to participate. Featuring swing music from the 1940s\, you might get bit b y the jitterbug out on the court. Water\, bug repellent and safe footwear is encouraged.\n\nThe 2026 Summer Season of Tennis Court Dances will be he ld on May 21\, June 18\, July 16\, August 20\, September 17\, and October 15\, 2026.\n\nEvent details: https://www.nps.gov/planyourvisit/event-detai ls.htm?id=3CE60324-B09B-E05D-8E922DE8E7B9319C\n\nAll events: https://www.n ps.gov/mapr/planyourvisit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=3CE60324-B09B-E0 5D-8E922DE8E7B9319C LOCATION:Jackson Square Tennis Courts\n96 W Tennessee Ave\, Oak Ridge\, TN 37830 CATEGORIES:Other RRULE:UNTIL=20261016T040000Z;FREQ=MONTHLY;BYSETPOS=3;WKST=SU;BYDAY=TH;INTER VAL=1 END:VEVENT BEGIN:VEVENT UID:43423291-F1C8-FC94-08B25E10791AE689@nps-ical SUMMARY:Seeds of Victory: Open Gardens [Oak Ridge\, TN] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260523T100000 DTEND;TZID=America/Denver:20260523T130000 DESCRIPTION:The park’s Victory and Pollinator Gardens will be open to the p ublic for the Seeds of Victory Open Garden program.\n\nDuring the Open Gar dens\, get your hands dirty and learn about the history of Victory Gardens and rationing across the American Homefront through these working history garden.\n\nTwo park waysides are located at the Victory Gardens and Polli nator Garden\, the Open Gardens is a rare chance to check them off your Oa k Ridge\, TN Wayside card.Outside of public events\, the gardens are open to park staff and volunteers for care and maintenance. Want to volunteer?\ n\nManhattan Project National Historical Park began cultivating the Victor y Gardens in 2018 to explore the living history of victory gardens in Oak Ridge. All produce grown at the Manhattan Project National Historical Park Victory Garden is donated to local food pantries in Oak Ridge\, TN. This program supports nutrition in the community\, just as victory gardens duri ng the war supported millions across the American Homefront.\n\nEvent deta ils: https://www.nps.gov/planyourvisit/event-details.htm?id=43423291-F1C8- FC94-08B25E10791AE689\n\nAll events: https://www.nps.gov/mapr/planyourvisi t/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=43423291-F1C8-FC 94-08B25E10791AE689 LOCATION:The Victory Gardens at Manhattan Project National Historical Park are located onsite of the Children Museum of Oak Ridge (CMOR)\, 461 W. Out er Drive\, Oak Ridge\, TN 37830. Access to the Victory Gardens at Manhatta n Project National Historical Park is via CMOR’s east driveway to the rear of the museum. CATEGORIES:Living History,Talk END:VEVENT BEGIN:VEVENT UID:5A57DC6B-B0F2-AC79-0A009D9C09C89F14@nps-ical SUMMARY:Atomic Explorations: Virtual B Reactor Tour [Tri-Cities\, WA] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260525T140000 DTEND;TZID=America/Denver:20260525T150000 DESCRIPTION:Virtual B Reactor Tour \n\nB Reactor Tours are on hiatus for no w but that doesn't mean you can't experience and learn about the reactor a nd its role in ushering in the nuclear age. You will be expertly guided th rough the B Reactor using visuals from the park’s virtual tour and demonst ration items that will help bring the history\, science\, and legacies of the world’s first full scale nuclear production reactor to life.\n\nEvent details: https://www.nps.gov/planyourvisit/event-details.htm?id=5A57DC6B-B 0F2-AC79-0A009D9C09C89F14\n\nAll events: https://www.nps.gov/mapr/planyour visit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=5A57DC6B-B0F2-AC 79-0A009D9C09C89F14 LOCATION:Join us in the Visitor Center located at 2000 Logston Blvd. Richla nd\, WA CATEGORIES:Talk END:VEVENT BEGIN:VEVENT UID:5BD1BEC9-A2A2-80EB-3C55A5255A1A3D60@nps-ical SUMMARY:Atomic Explorations: From Creation to Detonation [Tri-Cities\, WA] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260526T140000 DTEND;TZID=America/Denver:20260526T150000 DESCRIPTION:From Creation to Detonation: The story of Plutonium and the Man hattan Project \n\nThe rush to build the world’s first atomic weapons duri ng WWII required a massive effort that touched multiple continents\, produ ced profound scientific achievements\, and deployed the most powerful weap ons known to humankind. Learn about the global effort required to produce the plutonium used in one of the atomic bombs dropped on Japan during the waning days of WWII.\n\nEvent details: https://www.nps.gov/planyourvisit/e vent-details.htm?id=5BD1BEC9-A2A2-80EB-3C55A5255A1A3D60\n\nAll events: htt ps://www.nps.gov/mapr/planyourvisit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=5BD1BEC9-A2A2-80 EB-3C55A5255A1A3D60 LOCATION:Join us in the Visitor Center located at 2000 Logston Blvd. Richla nd\, WA CATEGORIES:Talk END:VEVENT BEGIN:VEVENT UID:5BD5F506-04F6-E068-161B5CF037ABD304@nps-ical SUMMARY:Atomic Explorations: Was it Safe? [Tri-Cities\, WA] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260527T140000 DTEND;TZID=America/Denver:20260527T150000 DESCRIPTION:Was it Safe? Radiation Safety and the Manhattan Project \n\nThe discovery of radiation and radioactivity quickly brought new tools to the medical world\, novel ideas and products (not all beneficial) to the publ ic\, and injuries to some early researchers and practitioners. The Manhatt an Project required large groups of workers to interact with radiation\, b ut how successful was the use of the innovative technologies and practices developed to protect them? Learn more about these techniques as we discus s whether they actually provided safety for thousands of workers. Did “saf e” in the 1945 Manhattan Project mean the same as “safe” now?\n\nEvent det ails: https://www.nps.gov/planyourvisit/event-details.htm?id=5BD5F506-04F6 -E068-161B5CF037ABD304\n\nAll events: https://www.nps.gov/mapr/planyourvis it/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=5BD5F506-04F6-E0 68-161B5CF037ABD304 LOCATION:Join us in the Visitor Center located at 2000 Logston Blvd. Richla nd\, WA CATEGORIES:Talk END:VEVENT BEGIN:VEVENT UID:5B5D4A9A-0171-6323-77FD252CFFD12180@nps-ical SUMMARY:Atomic Explorations: Mysterious Failure: Obstacles and Triumphs to Starting and Operating the B Reactor. [Tri-Cities\, WA] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260528T140000 DTEND;TZID=America/Denver:20260528T150000 DESCRIPTION:Mysterious Failure: Obstacles and Triumphs to Starting and Oper ating the B Reactor.\n\nImagine standing in the control room of the B Reac tor during start-up—the pressure\, suspense\, excitement—waiting to see if this scientific marvel would work only to be foiled by xenon135. Learn ab out the many challenges and triumphs of starting and operating the world’s first full-scale nuclear production reactor.\n\nEvent details: https://ww w.nps.gov/planyourvisit/event-details.htm?id=5B5D4A9A-0171-6323-77FD252CFF D12180\n\nAll events: https://www.nps.gov/mapr/planyourvisit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=5B5D4A9A-0171-63 23-77FD252CFFD12180 LOCATION:Join us in the Visitor Center located at 2000 Logston Blvd. Richla nd\, WA CATEGORIES:Talk END:VEVENT BEGIN:VEVENT UID:5A6B9933-ACDE-B8C5-7D5610DEE7BD80C1@nps-ical SUMMARY:Atomic Explorations: Virtual B Reactor Tour [Tri-Cities\, WA] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260529T140000 DTEND;TZID=America/Denver:20260529T150000 DESCRIPTION:Virtual B Reactor Tour \n\nB Reactor Tours are on hiatus for no w but that doesn't mean you can't experience and learn about the reactor a nd its role in ushering in the nuclear age. You will be expertly guided th rough the B Reactor using visuals from the park’s virtual tour and demonst ration items that will help bring the history\, science\, and legacies of the world’s first full scale nuclear production reactor to life.\n\nEvent details: https://www.nps.gov/planyourvisit/event-details.htm?id=5A6B9933-A CDE-B8C5-7D5610DEE7BD80C1\n\nAll events: https://www.nps.gov/mapr/planyour visit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=5A6B9933-ACDE-B8 C5-7D5610DEE7BD80C1 LOCATION:Join us in the Visitor Center located at 2000 Logston Blvd. Richla nd\, WA CATEGORIES:Talk END:VEVENT BEGIN:VEVENT UID:A1D86044-F925-969D-0251B57BE4FDB822@nps-ical SUMMARY:Atomic Explorations: Atomic Photographic Journey [Tri-Cities\, WA] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260530T140000 DTEND;TZID=America/Denver:20260530T150000 DESCRIPTION:Atomic Photographic Journey\n\nTake a photographic journey star ting in the mid-Columbia a century before the arrival of the Manhattan Pro ject and ending over Nagasaki\, Japan on August 9\, 1945.\n\nEvent details : https://www.nps.gov/planyourvisit/event-details.htm?id=A1D86044-F925-969 D-0251B57BE4FDB822\n\nAll events: https://www.nps.gov/mapr/planyourvisit/c alendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=A1D86044-F925-96 9D-0251B57BE4FDB822 LOCATION:Join us in the Visitor Center located at 2000 Logston Blvd. Richla nd\, WA CATEGORIES:Talk END:VEVENT BEGIN:VEVENT UID:72D57872-A65C-D2C2-41D453F4E67737B2@nps-ical SUMMARY:Enriching Uranium in Happy Valley: Guided Ranger Walk at K-25 [Oak Ridge\, TN] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260530T110000 DTEND;TZID=America/Denver:20260530T120000 DESCRIPTION:The largest plant site of the Manhattan Project\, and the war\, K-25 helped isolate the crucial uranium-235 from the more abundant uraniu m-238. To accomplish that goal\, tens of thousands of construction workers relocated to Happy Valley. Learn more about the accomplishments of those workers\, and the sacrifices it took to get there\, at a ranger walk along the greenways through the former K-25 site. \n\nDistance: 1 mile out and back. Greenway is asphalt. No elevation gain.\n\nEvent details: https://ww w.nps.gov/planyourvisit/event-details.htm?id=72D57872-A65C-D2C2-41D453F4E6 7737B2\n\nAll events: https://www.nps.gov/mapr/planyourvisit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=72D57872-A65C-D2 C2-41D453F4E67737B2 LOCATION:200 Heritage Center Blvd\, Oak Ridge\, TN 37830 CATEGORIES:Walk END:VEVENT BEGIN:VEVENT UID:5BBC8B4C-B6B8-E3F4-CB875165BF3F6840@nps-ical SUMMARY:Atomic Explorations: Virtual B Reactor Tour [Tri-Cities\, WA] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260601T140000 DTEND;TZID=America/Denver:20260601T150000 DESCRIPTION:Virtual B Reactor Tour \n\nB Reactor Tours are on hiatus for no w but that doesn't mean you can't experience and learn about the reactor a nd its role in ushering in the nuclear age. You will be expertly guided th rough the B Reactor using visuals from the park’s virtual tour and demonst ration items that will help bring the history\, science\, and legacies of the world’s first full scale nuclear production reactor to life.\n\nEvent details: https://www.nps.gov/planyourvisit/event-details.htm?id=5BBC8B4C-B 6B8-E3F4-CB875165BF3F6840\n\nAll events: https://www.nps.gov/mapr/planyour visit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=5BBC8B4C-B6B8-E3 F4-CB875165BF3F6840 LOCATION:Join us in the Visitor Center located at 2000 Logston Blvd. Richla nd\, WA CATEGORIES:Talk END:VEVENT BEGIN:VEVENT UID:5A3DA017-A991-3794-80FB2946F831527F@nps-ical SUMMARY:Atomic Explorations: From Creation to Detonation [Tri-Cities\, WA] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260602T140000 DTEND;TZID=America/Denver:20260602T150000 DESCRIPTION:From Creation to Detonation: The story of Plutonium and the Man hattan Project \n\nThe rush to build the world’s first atomic weapons duri ng WWII required a massive effort that touched multiple continents\, produ ced profound scientific achievements\, and deployed the most powerful weap ons known to humankind. Learn about the global effort required to produce the plutonium used in one of the atomic bombs dropped on Japan during the waning days of WWII.\n\nEvent details: https://www.nps.gov/planyourvisit/e vent-details.htm?id=5A3DA017-A991-3794-80FB2946F831527F\n\nAll events: htt ps://www.nps.gov/mapr/planyourvisit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=5A3DA017-A991-37 94-80FB2946F831527F LOCATION:Join us in the Visitor Center located at 2000 Logston Blvd. Richla nd\, WA CATEGORIES:Talk END:VEVENT BEGIN:VEVENT UID:5C4BC86E-C402-141F-175582C2324DB26F@nps-ical SUMMARY:Atomic Explorations: Hanford Site Development - Achieving the Impos sible [Tri-Cities\, WA] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260603T140000 DTEND;TZID=America/Denver:20260603T150000 DESCRIPTION:Hanford Site Development - Achieving the Impossible\n\nTwo year s after the discovery of plutonium\, the United States entered World War I I and embarked on a seemingly impossible mission: make plutonium on an ind ustrial scale for an atomic bomb. Why was the Hanford Site selected for th is mission? What made the construction and engineering of the Hanford Site so remarkable? Explore the development of Hanford’s plutonium factory in the early 1940s.\n\nEvent details: https://www.nps.gov/planyourvisit/event -details.htm?id=5C4BC86E-C402-141F-175582C2324DB26F\n\nAll events: https:/ /www.nps.gov/mapr/planyourvisit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=5C4BC86E-C402-14 1F-175582C2324DB26F LOCATION:Join us in the Visitor Center located at 2000 Logston Blvd. Richla nd\, WA CATEGORIES:Talk END:VEVENT BEGIN:VEVENT UID:679A0723-0D31-98B7-471F7000222590E3@nps-ical SUMMARY:Atomic Explorations: Was it Safe? [Tri-Cities\, WA] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260604T140000 DTEND;TZID=America/Denver:20260604T150000 DESCRIPTION:Was it Safe? Radiation Safety and the Manhattan Project \n\nThe discovery of radiation and radioactivity quickly brought new tools to the medical world\, novel ideas and products (not all beneficial) to the publ ic\, and injuries to some early researchers and practitioners. The Manhatt an Project required large groups of workers to interact with radiation\, b ut how successful was the use of the innovative technologies and practices developed to protect them? Learn more about these techniques as we discus s whether they actually provided safety for thousands of workers. Did “saf e” in the 1945 Manhattan Project mean the same as “safe” now?\n\nEvent det ails: https://www.nps.gov/planyourvisit/event-details.htm?id=679A0723-0D31 -98B7-471F7000222590E3\n\nAll events: https://www.nps.gov/mapr/planyourvis it/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=679A0723-0D31-98 B7-471F7000222590E3 LOCATION:Join us in the Visitor Center located at 2000 Logston Blvd. Richla nd\, WA CATEGORIES:Talk END:VEVENT BEGIN:VEVENT UID:5BC380F3-C030-05D6-C45E896DEC69017C@nps-ical SUMMARY:Atomic Explorations: Mysterious Failure: Obstacles and Triumphs to Starting and Operating the B Reactor. [Tri-Cities\, WA] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260605T140000 DTEND;TZID=America/Denver:20260605T150000 DESCRIPTION:Mysterious Failure: Obstacles and Triumphs to Starting and Oper ating the B Reactor.\n\nImagine standing in the control room of the B Reac tor during start-up—the pressure\, suspense\, excitement—waiting to see if this scientific marvel would work only to be foiled by xenon135. Learn ab out the many challenges and triumphs of starting and operating the world’s first full-scale nuclear production reactor.\n\nEvent details: https://ww w.nps.gov/planyourvisit/event-details.htm?id=5BC380F3-C030-05D6-C45E896DEC 69017C\n\nAll events: https://www.nps.gov/mapr/planyourvisit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=5BC380F3-C030-05 D6-C45E896DEC69017C LOCATION:Join us in the Visitor Center located at 2000 Logston Blvd. Richla nd\, WA CATEGORIES:Talk END:VEVENT BEGIN:VEVENT UID:5BDCA7A9-96FE-8FBF-23C3462B9BAA1063@nps-ical SUMMARY:Atomic Explorations: Virtual B Reactor Tour [Tri-Cities\, WA] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260606T140000 DTEND;TZID=America/Denver:20260606T150000 DESCRIPTION:Virtual B Reactor Tour \n\nB Reactor Tours are on hiatus for no w but that doesn't mean you can't experience and learn about the reactor a nd its role in ushering in the nuclear age. You will be expertly guided th rough the B Reactor using visuals from the park’s virtual tour and demonst ration items that will help bring the history\, science\, and legacies of the world’s first full scale nuclear production reactor to life.\n\nEvent details: https://www.nps.gov/planyourvisit/event-details.htm?id=5BDCA7A9-9 6FE-8FBF-23C3462B9BAA1063\n\nAll events: https://www.nps.gov/mapr/planyour visit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=5BDCA7A9-96FE-8F BF-23C3462B9BAA1063 LOCATION:Join us in the Visitor Center located at 2000 Logston Blvd. Richla nd\, WA CATEGORIES:Talk END:VEVENT BEGIN:VEVENT UID:4436AE3E-D4D1-1152-403E75476860A6B5@nps-ical SUMMARY:Enriching Uranium in Happy Valley: Guided Ranger Walk at K-25 [Oak Ridge\, TN] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260613T110000 DTEND;TZID=America/Denver:20260613T120000 DESCRIPTION:The largest plant site of the Manhattan Project\, and the war\, K-25 helped isolate the crucial uranium-235 from the more abundant uraniu m-238. To accomplish that goal\, tens of thousands of construction workers relocated to Happy Valley. Learn more about the accomplishments of those workers\, and the sacrifices it took to get there\, at a ranger walk along the greenways through the former K-25 site. \n\nDistance: 1 mile out and back. Greenway is asphalt. No elevation gain.\n\nEvent details: https://ww w.nps.gov/planyourvisit/event-details.htm?id=4436AE3E-D4D1-1152-403E754768 60A6B5\n\nAll events: https://www.nps.gov/mapr/planyourvisit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=4436AE3E-D4D1-11 52-403E75476860A6B5 LOCATION:200 Heritage Center Blvd\, Oak Ridge\, TN 37830 CATEGORIES:Walk END:VEVENT BEGIN:VEVENT UID:8F26D096-B9B1-F94C-E1EA785F0E091643@nps-ical SUMMARY:Ride with a Ranger [Tri-Cities\, WA] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260613T083000 DTEND;TZID=America/Denver:20260613T120000 DESCRIPTION:Join us for Ride with a Ranger Saturday\, June 13 from 8:30 am to 12:00 pm (PDT). \n\nRide with a Ranger is a 17-mile (27.36 km) round tr ip ride from Leslie Groves Park along the Sacagawea Heritage Trail\, on ci ty streets through the Richland Parkway\, and then continuing along the ri ver to the REACH museum. There will be two stops along the route for prese ntations on the way to the REACH Museum. Check-in begins at 8:30 and the r ide leaves at 9:00 am. The bike ride will arrive at the REACH Museum by ap proximately 10:15 am. Participants will have one hour at the REACH Museum. At 11:15 pm\, participants will have the option to ride back to the start of the route with the rangers or return to Leslie Groves Park on their ow n at any time. Transportation back to the starting point will not be provi ded.  \n\nThis event is FREE for registered participants. Event registrati on opens May 4 and will close on June 11 at 6:00 pm (or once filled). Regi stration is required. Bike Tri-Cities paid for museum admission for regist rants. The suggested minimum age for this ride is 15 years old unless ridi ng in a trailer or a tagalong.\n\nRegistration: This event is FREE for reg istered participants. Event registration opens May 4 and will close on Jun e 11 at 6:00 pm (or once filled). Registration is required.\n\nRegister: h ttps://www.biketricities.org/event-6664724\n\nMore info: https://www.biket ricities.org/event-6664724\n\nEvent details: https://www.nps.gov/planyourv isit/event-details.htm?id=8F26D096-B9B1-F94C-E1EA785F0E091643\n\nAll event s: https://www.nps.gov/mapr/planyourvisit/calendar.htm URL:https://www.biketricities.org/event-6664724 LOCATION:The ride begins at the tennis courts in Leslie Groves Park (Saint Street\, Richland\, WA 99354). Limited parking is available at the tennis courts. Street parking is also available. CATEGORIES:Guided Tour,Ride END:VEVENT BEGIN:VEVENT UID:4F6C8B24-0A8D-046F-7AEA6B1E7B68C9E7@nps-ical SUMMARY:Beyond the Bomb: Stories of the Atomic Age [Oak Ridge\, TN] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260623T140000 DTEND;TZID=America/Denver:20260623T150000 DESCRIPTION:Join Manhattan Project National Historical Park\, in partnershi p with Oak Ridge Associated Universities (ORAU) in exploring the peaceful uses of the atom.  Utilizing the rich history and museum collection of the ORAU Museum of Radiation and Radioactivity\, this program will dive into atomic culture and innovations in medicine sparked by the Manhattan Projec t and expanded during the atomic age. Participants will have the unique op portunity to explore the Museum of Radiation and Radioactivity\, not regul arly open to the public.\n\nEvent details: https://www.nps.gov/planyourvis it/event-details.htm?id=4F6C8B24-0A8D-046F-7AEA6B1E7B68C9E7\n\nAll events: https://www.nps.gov/mapr/planyourvisit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=4F6C8B24-0A8D-04 6F-7AEA6B1E7B68C9E7 LOCATION:210 Badger Ave\, Oak Ridge\, TN 37830\nORAU Museum of Radiation an d Radioactivity located within the Pollard Center. CATEGORIES:Talk END:VEVENT BEGIN:VEVENT UID:44A8ADF3-FF0E-8A38-DBACA4E909EA4EA3@nps-ical SUMMARY:Building America's Secret City: Guided Ranger Walk in Jackson Squar e [Oak Ridge\, TN] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260627T110000 DTEND;TZID=America/Denver:20260627T120000 DESCRIPTION:Manhattan Project National Historical Park will present a free program in Jackson Square. \n\nJackson Square\, or Town Center No. 1\, for med the social and economic center of the wartime community of Oak Ridge. Stroll through the townsite to learn how Oak Ridgers created community in the atomic city.\n\nDuring the walk\, rangers and visitors will discuss wh at it took to shape Oak Ridge during World War II through routines and tra ditions brought from near and far.\n\nEvent details: https://www.nps.gov/p lanyourvisit/event-details.htm?id=44A8ADF3-FF0E-8A38-DBACA4E909EA4EA3\n\nA ll events: https://www.nps.gov/mapr/planyourvisit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=44A8ADF3-FF0E-8A 38-DBACA4E909EA4EA3 LOCATION:Jackson Square\, Oak Ridge\, TN\n243 Jackson Square\, Oak Ridge\, TN 37830\n\nThe program will begin at the fountain in the main parking lot . CATEGORIES:Guided Tour,Walk END:VEVENT BEGIN:VEVENT UID:530D80C1-FD13-AE37-C48E8ABD0FF65872@nps-ical SUMMARY:Messages of Peace at Oak Ridge Farmers' Market [Oak Ridge\, TN] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260718T080000 DTEND;TZID=America/Denver:20260718T110000 DESCRIPTION:Manhattan Project National Historical Park will observe the 81s t anniversary of the atomic bombings of Hiroshima and Nagasaki\, Japan at all three park locations\; Hanford\, Washington\; Los Alamos\, New Mexico. \; and Oak Ridge\, Tennessee from August 6-9\, 2025. As part of the observ ation in Oak Ridge\, the park is soliciting luminarias (small paper lanter ns) and Messages of Peace from the public. The sunrise bell ringing of the International Friendship Bell in Oak Ridge’s A.K. Bissell Park will be wr eathed in luminarias adorned by the community with Messages of Peace.\n\nL ocally\, the public can contribute to this effort by writing Messages of P eace on luminarias at multiple events in Oak Ridge leading up to the event on August 6\, 2026. The park has a booth at the Oak Ridge Farmers’ Market (Jackson Square\, 281 Broadway Avenue\, Oak Ridge\, TN 37830) from 8:00-1 1:00AM ET for children and adults to draw or write their Messages of Peace .\n\nAll supplies are provided free of charge.\n\nEvent details: https://w ww.nps.gov/planyourvisit/event-details.htm?id=530D80C1-FD13-AE37-C48E8ABD0 FF65872\n\nAll events: https://www.nps.gov/mapr/planyourvisit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=530D80C1-FD13-AE 37-C48E8ABD0FF65872 LOCATION:Jackson Square\, 281 Broadway Avenue\, Oak Ridge\, TN 37830) CATEGORIES:Other END:VEVENT BEGIN:VEVENT UID:4F720382-9DC2-6DFA-FC39A792BFE9EEF6@nps-ical SUMMARY:Beyond the Bomb: Stories of the Atomic Age [Oak Ridge\, TN] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260721T140000 DTEND;TZID=America/Denver:20260721T150000 DESCRIPTION:Join Manhattan Project National Historical Park\, in partnershi p with Oak Ridge Associated Universities (ORAU) in exploring the peaceful uses of the atom.  Utilizing the rich history and museum collection of the ORAU Museum of Radiation and Radioactivity\, this program will dive into atomic culture and innovations in medicine sparked by the Manhattan Projec t and expanded during the atomic age. Participants will have the unique op portunity to explore the Museum of Radiation and Radioactivity\, not regul arly open to the public.\n\nEvent details: https://www.nps.gov/planyourvis it/event-details.htm?id=4F720382-9DC2-6DFA-FC39A792BFE9EEF6\n\nAll events: https://www.nps.gov/mapr/planyourvisit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=4F720382-9DC2-6D FA-FC39A792BFE9EEF6 LOCATION:210 Badger Ave\, Oak Ridge\, TN 37830\nORAU Museum of Radiation an d Radioactivity located within the Pollard Center. CATEGORIES:Talk END:VEVENT BEGIN:VEVENT UID:5310A084-9CC3-D580-476326931E6CB673@nps-ical SUMMARY:Messages of Peace at Oak Ridge Farmers' Market [Oak Ridge\, TN] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260725T080000 DTEND;TZID=America/Denver:20260725T110000 DESCRIPTION:Manhattan Project National Historical Park will observe the 81s t anniversary of the atomic bombings of Hiroshima and Nagasaki\, Japan at all three park locations\; Hanford\, Washington\; Los Alamos\, New Mexico. \; and Oak Ridge\, Tennessee from August 6-9\, 2025. As part of the observ ation in Oak Ridge\, the park is soliciting luminarias (small paper lanter ns) and Messages of Peace from the public. The sunrise bell ringing of the International Friendship Bell in Oak Ridge’s A.K. Bissell Park will be wr eathed in luminarias adorned by the community with Messages of Peace.\n\nL ocally\, the public can contribute to this effort by writing Messages of P eace on luminarias at multiple events in Oak Ridge leading up to the event on August 6\, 2026. The park has a booth at the Oak Ridge Farmers’ Market (Jackson Square\, 281 Broadway Avenue\, Oak Ridge\, TN 37830) from 8:00-1 1:00AM ET for children and adults to draw or write their Messages of Peace .\n\nAll supplies are provided free of charge.\n\nEvent details: https://w ww.nps.gov/planyourvisit/event-details.htm?id=5310A084-9CC3-D580-476326931 E6CB673\n\nAll events: https://www.nps.gov/mapr/planyourvisit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=5310A084-9CC3-D5 80-476326931E6CB673 LOCATION:Jackson Square\, 281 Broadway Avenue\, Oak Ridge\, TN 37830) CATEGORIES:Other END:VEVENT BEGIN:VEVENT UID:5312A496-E1AE-DBFB-C8021C8B90F4BD42@nps-ical SUMMARY:Messages of Peace at Oak Ridge Farmers' Market [Oak Ridge\, TN] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260801T080000 DTEND;TZID=America/Denver:20260801T110000 DESCRIPTION:Manhattan Project National Historical Park will observe the 81s t anniversary of the atomic bombings of Hiroshima and Nagasaki\, Japan at all three park locations\; Hanford\, Washington\; Los Alamos\, New Mexico. \; and Oak Ridge\, Tennessee from August 6-9\, 2025. As part of the observ ation in Oak Ridge\, the park is soliciting luminarias (small paper lanter ns) and Messages of Peace from the public. The sunrise bell ringing of the International Friendship Bell in Oak Ridge’s A.K. Bissell Park will be wr eathed in luminarias adorned by the community with Messages of Peace.\n\nL ocally\, the public can contribute to this effort by writing Messages of P eace on luminarias at multiple events in Oak Ridge leading up to the event on August 6\, 2026. The park has a booth at the Oak Ridge Farmers’ Market (Jackson Square\, 281 Broadway Avenue\, Oak Ridge\, TN 37830) from 8:00-1 1:00AM ET for children and adults to draw or write their Messages of Peace .\n\nAll supplies are provided free of charge.\n\nEvent details: https://w ww.nps.gov/planyourvisit/event-details.htm?id=5312A496-E1AE-DBFB-C8021C8B9 0F4BD42\n\nAll events: https://www.nps.gov/mapr/planyourvisit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=5312A496-E1AE-DB FB-C8021C8B90F4BD42 LOCATION:Jackson Square\, 281 Broadway Avenue\, Oak Ridge\, TN 37830) CATEGORIES:Other END:VEVENT BEGIN:VEVENT UID:7C488A1D-C1F2-E3C8-2E22507A468EC11E@nps-ical SUMMARY:“Days of Peace and Remembrance” Sunrise Bell Ringing [Oak Ridge\, T N] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260806T054500 DTEND;TZID=America/Denver:20260806T074500 DESCRIPTION:Manhattan Project National Historical Park in Oak Ridge\, Tenne ssee is asking all those who are interested to help ring the International Friendship Bell at Bissell Park 81 times at dawn (6:48 am ET) Wednesday\, August 6th to commemorate the number of years since the atomic bombing of Hiroshima. In addition\, an hour before dawn park rangers will light lumi narias that have been decorated with messages of peace by community member s. The luminarias will remain lit throughout the commemoration event. An O ak Ridge Civic Music Association quartet will be on site throughout the ev ent to provide accompanying music.\n\nMembers of the public are invited to take turns ringing the bell. Each person can ring the bell for whatever r eason that speaks to them. They can ring the bell for lives lost\; they ca n ring the bell for social justice\; they can ring the bell for service an d sacrifice\; they can ring the bell for peace. After each bell-ringer has rung the bell\, they are invited to record the reason why they rang the b ell. Small pieces of paper and pens will be provided. Bell-ringers will th en place the paper in a receptable\, and park staff will later catalog the papers for historical purposes.\n\nThe Park understands that not everyone who wants to ring the bell will be able to come to the August 6 event. Th erefore a virtual bell ringing option will be available on the park’s webp age  from 6:00 am EDT on August 6 through midnight PDT on August 9. The In ternational Friendship Bell is a symbol of unity and will carry the messag e of peace and international friendship into the future. At nearly seven f eet tall and five feet wide\, this 8\,300-pound bronze bell hangs at A. K. Bissell Park in Oak Ridge\, Tennessee\, where the uranium for the world’s first atomic weapons was manufactured. Designed in Oak Ridge and cast in Kyoto\, Japan\, the relief panels on the bell show peaceful imagery inspir ed by Tennessee\, Japan\, and the tragedies of war between the two nations .\n\nEvent details: https://www.nps.gov/planyourvisit/event-details.htm?id =7C488A1D-C1F2-E3C8-2E22507A468EC11E\n\nAll events: https://www.nps.gov/ma pr/planyourvisit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=7C488A1D-C1F2-E3 C8-2E22507A468EC11E LOCATION:International Friendship Bell in A K Bissell Park CATEGORIES:Other END:VEVENT BEGIN:VEVENT UID:4F74883D-00F6-769A-984F7202EDEC3B10@nps-ical SUMMARY:Beyond the Bomb: Stories of the Atomic Age [Oak Ridge\, TN] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260818T140000 DTEND;TZID=America/Denver:20260818T150000 DESCRIPTION:Join Manhattan Project National Historical Park\, in partnershi p with Oak Ridge Associated Universities (ORAU) in exploring the peaceful uses of the atom.  Utilizing the rich history and museum collection of the ORAU Museum of Radiation and Radioactivity\, this program will dive into atomic culture and innovations in medicine sparked by the Manhattan Projec t and expanded during the atomic age. Participants will have the unique op portunity to explore the Museum of Radiation and Radioactivity\, not regul arly open to the public.\n\nEvent details: https://www.nps.gov/planyourvis it/event-details.htm?id=4F74883D-00F6-769A-984F7202EDEC3B10\n\nAll events: https://www.nps.gov/mapr/planyourvisit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=4F74883D-00F6-76 9A-984F7202EDEC3B10 LOCATION:210 Badger Ave\, Oak Ridge\, TN 37830\nORAU Museum of Radiation an d Radioactivity located within the Pollard Center. CATEGORIES:Talk END:VEVENT BEGIN:VEVENT UID:44B03EC7-E0A3-6C72-4A1801802B5428CA@nps-ical SUMMARY:Enriching Uranium in Happy Valley: Guided Ranger Walk at K-25 [Oak Ridge\, TN] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20260829T110000 DTEND;TZID=America/Denver:20260829T120000 DESCRIPTION:The largest plant site of the Manhattan Project\, and the war\, K-25 helped isolate the crucial uranium-235 from the more abundant uraniu m-238. To accomplish that goal\, tens of thousands of construction workers relocated to Happy Valley. Learn more about the accomplishments of those workers\, and the sacrifices it took to get there\, at a ranger walk along the greenways through the former K-25 site. \n\nDistance: 1 mile out and back. Greenway is asphalt. No elevation gain.\n\nEvent details: https://ww w.nps.gov/planyourvisit/event-details.htm?id=44B03EC7-E0A3-6C72-4A1801802B 5428CA\n\nAll events: https://www.nps.gov/mapr/planyourvisit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=44B03EC7-E0A3-6C 72-4A1801802B5428CA LOCATION:200 Heritage Center Blvd\, Oak Ridge\, TN 37830 CATEGORIES:Walk END:VEVENT BEGIN:VEVENT UID:18C8CF65-AB49-6F7C-AA70643AB7A3FE3F@nps-ical SUMMARY:Walk Through Wheat [Oak Ridge\, TN] DTSTAMP:20260514T055637Z DTSTART;TZID=America/Denver:20261003T130000 DTEND;TZID=America/Denver:20261003T143000 DESCRIPTION:Join rangers for a guided walk through the pre-Manhattan Projec t community of Wheat. As you walk the former townsite\, rangers will discu ss the families and communities the Manhattan Project displaced in late 19 42. Stops include the George Jones Memorial Baptist Church\, Roane College site and the Crawford Cumberland Presbyterian Memorial.\n\nThe walk is ap proximately one and a half miles on gravel paths and trails. The trail to the Roane College site includes a slight incline. Wear comfortable shoes a nd bring water to drink.\n\nRegistration: There is no tour capacity limit or fee to attend. Those needing detailed directions to the Wheat Greenway should contact the park to RSVP.\n\nEvent details: https://www.nps.gov/pla nyourvisit/event-details.htm?id=18C8CF65-AB49-6F7C-AA70643AB7A3FE3F\n\nAll events: https://www.nps.gov/mapr/planyourvisit/calendar.htm URL:https://www.nps.gov/planyourvisit/event-details.htm?id=18C8CF65-AB49-6F 7C-AA70643AB7A3FE3F LOCATION:Wheat Greenway. \nVisitors should park and meet for the walk at th e Wheat Greenway gravel parking lot on Blair Road\, .25 mile (.45 km) nort h of the intersection with the Oak Ridge Turnpike. CATEGORIES:Walk END:VEVENT END:VCALENDAR