Manhattan Project B Reactor Tours (manhattanprojectbreactor.hanford.gov)
The B Reactor National Historic Landmark is the world’s first full-scale plutonium production reactor and part of the Manhattan Project National Historical Park administered by the U.S. Department of Energy and the National Park Service. Sign up for a tour and learn more about the people, events, science, and engineering that led to the creation of the atomic bombs that helped bring an end to World War II.