Smithsonian Castle [caption id="attachment_38927" align="alignright" width="425"] Smithsonian Castle courtesy of washington.org[/caption] The Smithsonian Castle, or more technically The Smithsonian Institute Building, is the home of the Smithsonian administration offices and visitor information center. It is located on the National Mall in Washington D.C., sitting right behind the National Museum of African Art and the Sackler…
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