Manhattan Project National Historical Park Traveler Pin

The Manhattan Project was an unprecedented, top-secret program implemented to design and build an atomic bomb for the purpose of bringing an accelerated end to World War II. Manhattan Project National Historical Park is located in Oak Ridge, TN; Los Alamos, NM; and Hanford, WA, and tells the story of the people, events, science, and engineering that led to the creation of the atomic bomb, ushering in the nuclear age.