1100 Jefferson Drive, SW
Washington, D.C. 
Metro Station: Smithsonian (Mall exit)

Entered from a copper domed kiosk on Jefferson Drive between the "Castle" and the Freer Gallery of Art, the S. Dillon Ripley Center houses the International Gallery, The Smithsonian Associates, the Discovery Theater, and the Smithsonian Traveling Exhibition Service. The Ripley Center also contains a small conference center and meeting rooms.