Capital Gallery, 600 Maryland Ave SW, Suite 3000
Washington D.C., DC
The Smithsonian Institution Archives is located in the Capital Gallery Building, Suite 3000 located at 600 Maryland Avenue SW, Washington, DC, 20024. Capital Gallery is one block south of the National Mall on the corner of Maryland Avenue and 7th Street, Southwest. There is an entrance to L'Enfant Plaza Metro Station just outside the building, and the Archives is on the third floor.
Metro: The best way to get to the Archives is by taking Metrorail, Washington, DC’s subway system. Use L’Enfant Plaza station, on Metrorail's Blue, Orange, Yellow, and Green lines, and take the Maryland Avenue and 7th Street, SW exit. This will place you directly in front of the Capital Gallery Building. Simply take the elevator to the third floor to reach the Archives. For a Metrorail map and more information, visit the Metro Website www.wmata.com.
Bus: Metrobus links Washington with nearby communities in Maryland and Virginia, and has stops near the Archives. The D.C. Circulator bus also offers a quick and convenient service to the Archives via the Circulator’s Convention Center - SW Waterfront line.
More information is here: http://siarchives.si.edu/about/contact-us