Smithsonian Institution Building ('The Castle') visitor and exhibition installations

The Smithsonian Institution Building, known as 'The Castle,' is a Gothic Revival landmark completed in 1855 that serves as the Smithsonian's Visitor Center and houses orientation exhibits about the Institution. The building's restored interior rooms and central tower function as a primary interpretive installation introducing the Smithsonian museums and their collections. The Castle frequently hosts small temporary displays and information installations related to Smithsonian exhibitions and services.