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Smithsonian Institution Building (The Castle)
Smithsonian Mace Barrel vault ceiling in the Castle
Buffalo outside the Castle Smithson crypt)

Smithsonian Institution Building (The Castle)

Home to the Smithsonian Information Center and the permanent exhibition Smithsonian Institution: America’s Treasure Chest, as well as the Institution’s administrative headquarters.

1000 Jefferson Drive, SW
Washington, DC

Metro Station
Metro Orange BlueSmithsonian (Mall exit)

202.633.1000 (voice/tape)

Dining »
Admission is FREE

8:30 a.m. - 5:30 p.m. daily
Closed December 25

There is no public parking facility at the Smithsonian on the National Mall; on-street parking is limited and posted times are enforced.
Parking map (PDF) »