This category lists sites related to buildings at least 50 years old.
History of the 1870 Marcy/Townsend house on Lafayette Square and of its occupants.
This building (formerly known as the Old Executive Office Building), located next door to the White House, was built in the 1870s to house the State, War and Navy departments. Discusses its history and architecture, with historic and modern photos.
The site of President Lincoln's assassination in 1864. Discusses history and architecture of the theater and the assassination, with photos and bibliography.
This is the last extant 19th century gristmill in the District of Columbia. Includes history, restoration information and newsletter.
The cottage in which President Lincoln spent part of each year during the Civil War, on the grounds of the Soldiers' Home in Washington, DC. Describes the history and restoration of the site and has visitor information.
Describes the history and current restoration of this historic Civil War-era hospital on Capitol Hill. Has historic photos, plus description, photos, articles and documents relating to the restoration. Web site of Friends of the Old Naval Hospital.
Encyclopedia article from Wikipedia on the indoor arena that was the site of the first Beatles concert in the United States.
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