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From SI Building Roof Looking East toward U. S. Capitol
- Date: c. 1860s
- Creator: Unknown
- Creator: Unknown
Construction of NASM Cafeteria
- Date: 1988
- Creator: Unknown
- Creator: Unknown
East Wing of NHB Near Completion, 1962
- Date: 1962
- Creator: Unknown
- Creator: Unknown
Postcard of Memorial Continental Hall, DAR
- Date: c. 1910-1915
- Creator: American News Company
- Creator: American News Company
Tower Cap for the Smithsonian Castle's North Tower
- Date: 1970
- Creator: Robinson, Al
- Creator: Robinson, Al
Roof of the North Tower Before Being Installed
- Date: 1970
- Creator: Unknown
- Creator: Unknown
Cap of the North Tower Being Installed
- Date: 1970
- Creator: Robinson, Al
- Creator: Robinson, Al
Installation of New North Tower Cap
- Date: 1970
- Creator: Unknown
- Creator: Unknown
Roof of NHB and Buildings of the City of Washington, D.C
- Date: c. 1920s
- Creator: Unknown
- Creator: Unknown
Secretary Adams Checks Underground Museum Construction
- Date: 1984
- Creator: Hofmeister, Richard K
- Creator: Hofmeister, Richard K
Smithsonian Institution Building from Pennsylvania Ave, 1874
- Date: April 10, 1874
- Creator: Holmes, William Henry 1846-1933
- Creator: Holmes, William Henry 1846-1933
Panoramic View of the City of Washington, D.C
- Date: c. 1886
- Creator: Jackson, William Henry 1843-1942
- Creator: Jackson, William Henry 1843-1942
