1000 Jefferson Drive SW
Washington, DC 20560
Phone: (202) 357-2700
The Smithsonian Institution Visitor Information Center, known as the Castle, the oldest of the Smithsonian museums in Washington. It houses the crypt of founder James Smithson, 2 orientation theaters, scale models of Washington's monumental core, interactive touch-screen program in 6 languages, 2 electronic wall maps, plus multilingual information and assistance. Walk-in tours Friday-Sunday; Spanish language tours the first Saturday of each month.
Open: Daily 10 a.m.-5:30 p.m. (except December 25).
Admission: Free Metro: Smithsonian.
Related Links: Smithsonian Institution Castle Building