National_Archives_Building

The National Archives Building, known informally as Archives I, is the headquarters of the United States National Archives and Records Administration. It is located north of the National Mall at 700 Pennsylvania Avenue, N.W. in Washington, D.C. The rotunda entrance is on Constitution Avenue, and the research entrance is on Pennsylvania Avenue. A second larger facility, Archives II, also known as A2, is located in College Park, Maryland.
In December 2023, the National Archives Building was designated a National Historic Landmark. It was added to the National Register of Historic Places in 1971, and is a contributing property to the Pennsylvania Avenue National Historic Site.