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.

The Great Hall of the Castle (pictured in 1969) has housed exhibits, a library, special events and a visitor information center. Smithsonian Institution Archives The Smithsonian Castle has been a ...

Did you know that the Castle is the Smithsonian’s first and oldest building? It first opened its doors in 1855 and has witnessed countless moments in American and world history. The Castle closed ...

S.J. Hauck Construction is removing the sandstone bricks from the former church, which are from the same quarry as those used in the construction of the Smithsonian Castle.

The Castle, of course, has evolved in its purpose, and the Smithsonian has grown enormously over the past 150 years since that fire (21 museums and galleries, nine research facilities and a Zoo).

The Smithsonian Institution Building will close Feb. 1 for the first major renovation to the Castle since the late 1960s, officials announced Thursday.

President Trump and JD Vance want to eliminate ‘improper, divisive or anti-American ideology’ from Smithsonian museums.

“Last month, there was an unanticipated archaeological discovery under the National Mall as part of the Smithsonian Castle Revitalization Project,” NPS officials said.

Workers find 19th century brick-lined cistern beneath National Mall during Smithsonian Castle Revitalization project.