Historic Buildings
736 Jackson Place, A Gateway Restored, Anderson Cottage, Cady Lee Mansion, Carter G. Woodson Home Special Resource Study, Decatur House, Decatur House, District of Columbia Inventory of Historic Sites, Eisenhower Executive Office Building, Ford's Theatre National Historic Site
Art Deco Society of Washington
Supports the preservation of Art Deco architecture. Membership, events, preservation news, description and history.
Emporis: Washington
Focusing on city architecture, especially tall buildings (over 12 stories tall), this site has basic facts and data on notable structures in the DC metro area, searchable by building name, type or locality.
Great Buildings Online: Architecture of Washington
Basic information on notable structures and their architects, with photos, commentary and bibliography.
L'Enfant Trust
Promotes Washington's historic architectural heritage through a program of conservation easements, educational programs, preservation assistance, and tree planting. Includes information about conservation easements and a list of properties on which easements are currently held.
Latrobe Chapter, Society of Architectural Historia
Metropolitan Washington, DC, chapter of the national organization devoted to the study of architectural history. Includes membership and events information.
National Register Travel Itinerary
Virtual tour of historic buildings via clickable map or list from the National Parks Service. Photographs and histories with visitor information.