Established in 2015, Manhattan Project National Historical Park preserves and interprets the history of the United States’ World War II top-secret nuclear weapons program. The Manhattan Project was a massive scientific, industrial, and human effort that successfully unleashed the power of nuclear energy and ushered in the atomic age. Legislation creating the park passed on December 12, 2014 and the park was established on November 10, 2015. The geographically unique park is operated in partnership with the Department of Energy and consists of historic sites in Hanford, WA, Los Alamos, NM, and Oak Ridge, TN.
Mission StatementManaged in partnership by the Department of Energy and the National Park Service, Manhattan Project National Historical Park preserves and interprets the nationally significant historic sites, stories, and legacies associated with the top-secret race to develop an atomic weapon during World War II, and provides access to these sites consistent with the mission of the Department of Energy.
Last updated: April 18, 2023