Washington D.C. kjfitz 10 years ago Here are ten U.S. National Historic Landmarks in the state of Washington D.C. … © Bing MapsSmithsonian Arts and Industries Museum © Google MapsAshburton House © Google MapsCongressional Cemetery © Bing MapsDAR Constitution Hall © Google MapsCorcoran Gallery of Art © Google MapsDecatur House © Bing MapsFranklin School © Bing MapsHealy Hall, Georgetown University © Google MapsLibrary of Congress, Jefferson Building © Google MapsMeridian Hill Park