In the Cartesian-coordinate-based street-naming system of Washington, D.C., 20th Street refers to a north-south street located twenty full blocks either east or west of the United States Capitol. The streets are distinguished by their quadrant designations; the one east of the Capitol is called 20th Street, N.E. and S.E., while the one west of the Capitol is called 20th Street, N.W. Jump to: navigation, search Cartesian means relating to the French mathematician and philosopher Descartes, who, among other things, worked to merge algebra and Euclidean geometry. ... Jump to: navigation, search A street name is an identifying name given to a street or road. ... Jump to: navigation, search Washington, D.C. is the capital city of the United States of America. ... Jump to: navigation, search United States Capitol For other uses of Capitol Hill, see Capitol Hill (disambiguation). ... An address is a code and abstract concept expressing the fixed location of a home, business or other building on the earths surface. ... Color-enhanced USGS satellite image of Washington, DC, taken April 26, 2002. ... Color-enhanced USGS satellite image of Washington, DC, taken April 26, 2002. ... Color-enhanced USGS satellite image of Washington, DC, taken April 26, 2002. ...

The eastern 20th Street is situated near the National Arboretum, the Franciscan Monastery, and the residential neighborhood of Brookland. The more prominent 20th Street in Northwest originates at Constitution Avenue, near the Vietnam Memorial, and runs past George Washington University and the George Washington University Hospital in Foggy Bottom through the central business district and into Dupont Circle. It ends at Florida Avenue, although a discontinuous section lies farther north. 20th Street provides access between those areas and Interstate 66 via the E Street Expressway, which has its eastern terminus at 20th Street. The United States National Arboretum is an arboretum in Washington D.C., owned by the United States Department of Agriculture. ... Franciscan Monastery is a wonderful refuge in NE Washington, D.C. It includes wonderful gardens and a fantastic replica of the catacombs. ... Brookland is a neighborhood in the Northeast quadrant of Washington, DC, historically centered along 12th Street NE. It has been nicknamed the Little Vatican or Little Rome by some for the many Catholic institutions clustered around The Catholic University of America (CUA). ... In Washington, D.C., Constitution Avenue is a major east-west street running just north of the United States Capitol in the citys Northwest and Northeast quadrants. ... The Vietnam Veterans Memorial Wall is the most identified feature of the Vietnam Veterans Memorial. ... The George Washington University (GWU) is a private university in Washington, D.C., founded in 1821 as The Columbian College. ... The George Washington University (GWU) is a private university in Washington, D.C., founded in 1821 as The Columbian College. ... Foggy Bottom is one of Washington, DCs oldest 19th century neighborhoods, so named because, as a low-lying area, fog (endemic to the swamps of early Washington) tended to congregate there. ... Jump to: navigation, search Downtown Honolulu in Hawaii, United States, an example of an urban downtown district Central business district (CBD) and downtown are terms referring to the commercial heart of a city. ... Aerial photograph of Dupont Circle. ... Jump to: navigation, search Florida Avenue is a major street in Washington, D.C. It was originally named Boundary Street, because it formed the northern boundary of Pierre LEnfants original plan for the Federal City. ... Interstate 66 is an interstate highway in the eastern United States. ... The E Street Expressway is a spur from Interstate 66 into the Foggy Bottom neighborhood of Washington, D.C. The eastern terminus of the E Street Expressway is at 20th Street, N.W. From there, traffic continues along E Street, N.W., to 17th Street, N.W., near the White...

"Twentieth Street" sometimes appears on lists of place names in the District of Columbia because the Washington, D.C., post office has a station called Twentieth Street. Small-town post office and town hall in Lockhart, Alabama A post office is a facility (in most countries, a government one) where the public can purchase postage stamps for mailing correspondence or merchandise, and also drop off or pick up packages or other special-delivery items. ... Jump to: navigation, search A USPS truck in San Francisco A smaller truck used in suburban areas This article describes the United States Postal Service. ...

Source

• Map of Washington, DC produced by AAA