Ride with a Ranger [Tri-Cities, WA]

Join us for Ride with a Ranger Saturday, June 13 from 8:30 am to 12:00 pm (PDT). Ride with a Ranger is a 17-mile (27.36 km) round trip ride from Leslie Groves Park along the Sacagawea Heritage Trail, on city streets through the Richland Parkway, and then continuing alon......More

Join us for Ride with a Ranger Saturday, June 13 from 8:30 am to 12:00 pm (PDT). Ride with a Ranger is a 17-mile (27.36 km) round trip ride from Leslie Groves Park along the Sacagawea Heritage Trail, on city streets through the Richland Parkway, and then continuing along the river to the REACH museum. There will be two stops along the route for presentations on the way to the REACH Museum. Check-in begins at 8:30 and the ride leaves at 9:00 am. The bike ride will arrive at the REACH Museum by approximately 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 own at any time. Transportation back to the starting point will not be provided.  This event is FREE for registered participants. Event registration opens May 4 and will close on June 11 at 6:00 pm (or once filled). Registration is required. Bike Tri-Cities paid for museum admission for registrants. The suggested minimum age for this ride is 15 years old unless riding in a trailer or a tagalong.  

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.

Enriching Uranium in Happy Valley: Guided Ranger Walk at K-25 [Oak Ridge, TN]

The largest plant site of the Manhattan Project, and the war, K-25 helped isolate the crucial uranium-235 from the more abundant uranium-238. To accomplish that goal, tens of thousands of construction workers relocated to Happy Valley. Learn more about the accomplishmen......More

The largest plant site of the Manhattan Project, and the war, K-25 helped isolate the crucial uranium-235 from the more abundant uranium-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. Distance: 1 mile out and back. Greenway is asphalt. No elevation gain. 

200 Heritage Center Blvd, Oak Ridge, TN 37830

Atomic Explorations: Atomic Photographic Journey [Tri-Cities, WA]

Atomic Photographic JourneyTake a photographic journey starting in the mid-Columbia a century before the arrival of the Manhattan Project and ending over Nagasaki, Japan on August 9, 1945.

Join us in the Visitor Center located at 2000 Logston Blvd. Richland, WA

Building America's Secret City: Guided Ranger Walk in Jackson Square [Oak Ridge, TN]

Manhattan Project National Historical Park will present a free program in Jackson Square. Jackson Square, or Town Center No. 1, formed the social and economic center of the wartime community of Oak Ridge. Stroll through the townsite to learn how Oak Ridgers created comm......More

Manhattan Project National Historical Park will present a free program in Jackson Square. Jackson Square, or Town Center No. 1, formed 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. During the walk, rangers and visitors will discuss what it took to shape Oak Ridge during World War II through routines and traditions brought from near and far. Program ends at the Jackson Square Tennis Courts right on time for the Tennis Court Dance. 

Jackson Square, Oak Ridge, TN243 Jackson Square, Oak Ridge, TN 37830The program will begin at the fountain in the main parking lot.

Tennis Court Dance [Oak Ridge, TN]

Put on your dancing shoes, another summer of Tennis Court Dances are kicking off on the Jackson Square Tennis Courts. Held monthly on the third Thursday, Manhattan Project National Historical Park recreates the open air tennis court dances held during the Manhattan Proj......More

Put on your dancing shoes, another summer of Tennis Court Dances are kicking off on the Jackson Square Tennis Courts. Held monthly on the third Thursday, Manhattan Project National Historical Park recreates the open air tennis court dances held during the Manhattan Project to entertain the 75,000 war workers and their families contained within America’s Secret City.The dances are an all-ages event, and all are encouraged to participate. Featuring swing music from the 1940s, you might get bit by the jitterbug out on the court. Water, bug repellent and safe footwear is encouraged.The 2026 Summer Season of Tennis Court Dances will be held on May 21, June 18, July 16, August 20, September 17, and October 15, 2026. 

Jackson Square Tennis Courts96 W Tennessee Ave, Oak Ridge, TN 37830

Let’s Go Fishing [Oak Ridge, TN]

Manhattan Project National Historical Park in Oak Ridge, Tennessee invites youth to learn to fish! This new program aims to promote fishing as an educational, safe, and enjoyable outdoor recreational opportunity to connect youth, ages 12 and under, with the park and the......More

Manhattan Project National Historical Park in Oak Ridge, Tennessee invites youth to learn to fish! This new program aims to promote fishing as an educational, safe, and enjoyable outdoor recreational opportunity to connect youth, ages 12 and under, with the park and their local waters.During each program, youth will work with park rangers and volunteers to learn the basics of fishing, from knot tying to being respectful stewards of the river. These activities, along with hands-on fishing, will earn them a Junior Ranger Angler badge. Each participant will be provided with a fishing pole and basic tackle to use during the program. At the conclusion of the program, our youth-visitors will be given their Junior Ranger Angler Badge and fishing equipment to keep.   This program was made possible with a grant from the National Park Foundation.The National Park Foundation (NPF) is a nonprofit leader and catalyst in safeguarding America's 430+ national parks and ensuring they are accessible and enjoyable — for everyone, forever. As the official nonprofit partner to the National Park Service, NPF works to conserve and preserve threatened wildlife and land, inspire the next generation of park stewards, tell the complete story of American history, and ensure a world-class visitor experience. Fishing equipment is limited to first-time participants only. Reservations are required, and space is limited. Registered participants will be confirmed.  To Register:Please email the park via the "Contact Us" link.Reservation Period runs from June 1st through June 12. Due to the hands-on nature of this program, registration is required for all participants. Please indicate the number of youths, ages 12 and younger, when registering. Registered participants will receive a confirmation with location specifics. 

Beyond the Bomb: Stories of the Atomic Age [Oak Ridge, TN]

Join Manhattan Project National Historical Park, in partnership 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 wi......More

Join Manhattan Project National Historical Park, in partnership 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 Project and expanded during the atomic age. Participants will have the unique opportunity to explore the Museum of Radiation and Radioactivity, not regularly open to the public.

210 Badger Ave, Oak Ridge, TN 37830ORAU Museum of Radiation and Radioactivity located within the Pollard Center.

Building America's Secret City: Guided Ranger Walk in Jackson Square [Oak Ridge, TN]

Manhattan Project National Historical Park will present a free program in Jackson Square. Jackson Square, or Town Center No. 1, formed the social and economic center of the wartime community of Oak Ridge. Stroll through the townsite to learn how Oak Ridgers created comm......More

Manhattan Project National Historical Park will present a free program in Jackson Square. Jackson Square, or Town Center No. 1, formed 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. During the walk, rangers and visitors will discuss what it took to shape Oak Ridge during World War II through routines and traditions brought from near and far. Program ends at the Jackson Square Tennis Courts right on time for the Tennis Court Dance. 

Jackson Square, Oak Ridge, TN243 Jackson Square, Oak Ridge, TN 37830The program will begin at the fountain in the main parking lot.

Tennis Court Dance [Oak Ridge, TN]

Put on your dancing shoes, another summer of Tennis Court Dances are kicking off on the Jackson Square Tennis Courts. Held monthly on the third Thursday, Manhattan Project National Historical Park recreates the open air tennis court dances held during the Manhattan Proj......More

Put on your dancing shoes, another summer of Tennis Court Dances are kicking off on the Jackson Square Tennis Courts. Held monthly on the third Thursday, Manhattan Project National Historical Park recreates the open air tennis court dances held during the Manhattan Project to entertain the 75,000 war workers and their families contained within America’s Secret City.The dances are an all-ages event, and all are encouraged to participate. Featuring swing music from the 1940s, you might get bit by the jitterbug out on the court. Water, bug repellent and safe footwear is encouraged.The 2026 Summer Season of Tennis Court Dances will be held on May 21, June 18, July 16, August 20, September 17, and October 15, 2026. 

Jackson Square Tennis Courts96 W Tennessee Ave, Oak Ridge, TN 37830

Building America's Secret City: Guided Ranger Walk in Jackson Square [Oak Ridge, TN]

Manhattan Project National Historical Park will present a free program in Jackson Square. Jackson Square, or Town Center No. 1, formed the social and economic center of the wartime community of Oak Ridge. Stroll through the townsite to learn how Oak Ridgers created comm......More

Manhattan Project National Historical Park will present a free program in Jackson Square. Jackson Square, or Town Center No. 1, formed 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. During the walk, rangers and visitors will discuss what it took to shape Oak Ridge during World War II through routines and traditions brought from near and far. 

Jackson Square, Oak Ridge, TN243 Jackson Square, Oak Ridge, TN 37830The program will begin at the fountain in the main parking lot.

Building America's Secret City: Guided Ranger Walk in Jackson Square [Oak Ridge, TN]

Manhattan Project National Historical Park will present a free program in Jackson Square. Jackson Square, or Town Center No. 1, formed the social and economic center of the wartime community of Oak Ridge. Stroll through the townsite to learn how Oak Ridgers created comm......More

Manhattan Project National Historical Park will present a free program in Jackson Square. Jackson Square, or Town Center No. 1, formed 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. During the walk, rangers and visitors will discuss what it took to shape Oak Ridge during World War II through routines and traditions brought from near and far. Program ends at the Jackson Square Tennis Courts right on time for the Tennis Court Dance. 

Jackson Square, Oak Ridge, TN243 Jackson Square, Oak Ridge, TN 37830The program will begin at the fountain in the main parking lot.

Tennis Court Dance [Oak Ridge, TN]

Put on your dancing shoes, another summer of Tennis Court Dances are kicking off on the Jackson Square Tennis Courts. Held monthly on the third Thursday, Manhattan Project National Historical Park recreates the open air tennis court dances held during the Manhattan Proj......More

Put on your dancing shoes, another summer of Tennis Court Dances are kicking off on the Jackson Square Tennis Courts. Held monthly on the third Thursday, Manhattan Project National Historical Park recreates the open air tennis court dances held during the Manhattan Project to entertain the 75,000 war workers and their families contained within America’s Secret City.The dances are an all-ages event, and all are encouraged to participate. Featuring swing music from the 1940s, you might get bit by the jitterbug out on the court. Water, bug repellent and safe footwear is encouraged.The 2026 Summer Season of Tennis Court Dances will be held on May 21, June 18, July 16, August 20, September 17, and October 15, 2026. 

Jackson Square Tennis Courts96 W Tennessee Ave, Oak Ridge, TN 37830