Washington Coliseum
- Encyclopedia article from Wikipedia on the indoor arena that was the site of the first Beatles concert in the United States.
- http://en.wikipedia.org/wiki/Uline_Arena

Ford's Theatre National Historical Site
- The site of President Lincoln's assassination in 1864. Discusses history and architecture of the theater and the assassination, with photos and bibliography.
- http://www.nps.gov/foth/index2.htm

Treasury Building
- A history and tour of the U.S. Treasury Building.
- http://www.treas.gov/education/fact-sheets/building/history.shtml

District of Columbia Inventory of Historic Sites
- Lists and describes properties designated as historic landmarks. Alphabetical list, indexed by property type and street address.
- http://www.h-net.org/~dclist/shpo.pdf

President Lincoln and Soldiers' Home National Monument
- The cottage in which President Lincoln spent part of each year during the Civil War, on the grounds of the Soldiers' Home in Washington, DC. Has a history of the site and information on its restoration.
- http://www.lincolncottage.org/

The Old Naval Hospital
- Describes the history and current restoration of this historic Civil War-era hospital on Capitol Hill. Has historic photos, plus description, photos, articles and documents relating to the restoration. Web site of Friends of the Old Naval Hospital.
- http://www.oldnavalhospital.org/

Carter G. Woodson Home Special Resource Study
- National Park Service study evaluating the suitability of including this Washington, DC, historic house in the National Park System. Woodson, "the father of African-American history," lived here from 1915 to 1950. [PDF]
- http://www.nps.gov/ncro/woodson/

National Register of Historic Places: District of Columbia
- List of local buildings and historic districts on the National Register.
- http://www.nationalregisterofhistoricplaces.com/DC/District+of+Columbia/state.html

Military Road School Alumni Association
- Seeks to protect and preserve the historic school that educated black students from 1864 to 1954. Includes brief history and links.
- http://www.militaryroadschoolalumniassociation.org/

House of the Temple
- National headquarters of the Scottish Rite of Freemasonry. Site includes a text-and-photo virtual tour of the building.
- http://www.srmason-sj.org/web/temple.htm

Eisenhower Executive Office Building
- This building (formerly known as the Old Executive Office Building), located next door to the White House, was built in the 1870s to house the State, War and Navy departments. Discusses its history and architecture, with historic and modern photos.
- http://www.whitehouse.gov/history/eeobtour/

A Gateway Restored
- Describes the design and history of Union Station, which opened in 1907 and was restored in 1988. 1988 article from the National Building Museum site.
- http://www.nbm.org/blueprints/80s/summer88/cover/cover.htm

Washington Navy Yard History
- History of the U.S. Navy's oldest shore establishment (1799), which was a shipbuilding center, then an ordnance plant and is now the ceremonial and administrative center for the Navy. History of the buildings and surrounding neighborhood, historic cannon
- http://www.history.navy.mil/faqs/faq52-1.htm

736 Jackson Place
- History of the 1870 Marcy/Townsend house on Lafayette Square and of its occupants.
- http://clinton4.nara.gov/ONAP/736history.html

Holt House
- History of the house, built in the early 1800s, and of efforts to preserve it as a historic reminder of the legacy of slavery.
- http://www.innercity.org/holt/