Manhattan Project National Historical Park - B Reactor

Step back in time at the Manhattan Project National Historical Park - B Reactor, Washington! Witness the extraordinary accomplishments in nuclear science during WWII. As the world's first full-scale plutonium production reactor, the B Reactor offers not only a technological marvel but a fascinating reflection on American history. Explore the birthplace of the Atomic Age, where scientific barriers were broken and history was made. Add a unique perspective to your next adventure with a visit to this iconic national landmark.