The Smithsonian Visitor Center in Washington DC is located in a beautiful red sandstone building known as "The Castle". Learn about visiting this DC castle.

Convinced that museums could provide a fertile environment conducive to children as well as adults, then Smithsonian secretary Samuel Pierpont Langley (1834-1906) converted a room on the first floor ...

The Smithsonian strives to make all visitors feel welcome. All Smithsonian Institution buildings have at least one ... Please note that a Smithsonian wheelchair may only be used in the building from ...