Smithsonian Institution Building

The Smithsonian Institution Building, located on the National Mall in Washington, D.C., houses the administrative offices and information center of the Smithsonian Institution. The building is constructed of red sandstone in the Norman style (a 12th-century combination of late Romanesque and early Gothic motifs) and is appropriately nicknamed The Castle.

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  View of front
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  Detail of front
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  Detail of front portico
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  Detail of front towers
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  View of rear elevation
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  East elevation
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  Washington Monument and Smithsonian Castle at Sunset
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