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  2. Constitution Avenue - Wikipedia

    en.wikipedia.org/wiki/Constitution_Avenue

    An 1818 map of Washington, D.C., showing Tiber Creek An 1850 map of Washington, D.C., showing the completed (and disused) Washington City Canal. When the District of Columbia was founded in 1790, the Potomac River was much wider than it currently is, and a major tidal estuary known as Tiber Creek flowed roughly from 6th Street NW to the shore of the river just south of the White House.

  3. U.S. Capitol Gatehouses and Gateposts - Wikipedia

    en.wikipedia.org/wiki/U.S._Capitol_Gatehouses...

    In 1880, the west gatehouse was relocated at Constitution Avenue and 17th Street NW, and the east gatehouse at Constitution and 15th. They are placed to flank the White House – Washington Monument axis, which runs roughly along the axis of 16th Street , just south of The Ellipse in President's Park .

  4. National Register of Historic Places listings in central ...

    en.wikipedia.org/wiki/National_Register_of...

    This is a list of properties and districts listed on the National Register of Historic Places in the central area of Washington, D.C. For the purposes of this list central Washington, D. C. is defined as all of the Northwest quadrant east of Rock Creek and south of M Street and all of the Southwest quadrant.

  5. Pan American Union Building - Wikipedia

    en.wikipedia.org/wiki/Pan_American_Union_Building

    Between 1921 and 1922, the building was used for committee and subcommittee hearings throughout the Washington Naval Conference while closely guarded by marines with fixed bayonets. [ 5 ] The building was added to the National Register of Historic Places in 1969, and was designated a National Historic Landmark in 2021, for its architecture and ...

  6. List of National Historic Landmarks in Washington, D.C.

    en.wikipedia.org/wiki/List_of_National_Historic...

    Constitution Ave. between 7th and 9th Sts., NW. 38°53′33″N 77°01′24″W  /  38.8925°N 77.023333°W  / 38.8925; -77.023333  ( National A building of records where several key U.S. documents including The United States Bill of Rights , The United States Declaration of Independence , and The Constitution of the United States .

  7. Lockkeeper's House (Washington, D.C.) - Wikipedia

    en.wikipedia.org/wiki/Lockkeeper's_House...

    The Washington City Canal, circa 1851. The C & O Canal was extended between 1832 and 1833, to connect to the Washington City Canal. [3] The lockkeeper's house was built in 1837 for toll collecting and record keeping, only to be abandoned in 1855 with the demise of the canal 30 years after its construction — which by then had ceded transportation of heavy goods to the nascent railroads and ...

  8. Streets and highways of Washington, D.C. - Wikipedia

    en.wikipedia.org/wiki/Streets_and_highways_of...

    Another example is the White House, located at 1600 Pennsylvania Avenue NW: it is located at 16th Street NW (Lafayette Square) and Pennsylvania Avenue NW. This works both ways; an address at 514 19th St NW would be on 19th St west of the Capitol, and since E is the fifth letter of the alphabet, the 514 address would be between E and F Streets NW.

  9. List of state-named roadways in Washington, D.C. - Wikipedia

    en.wikipedia.org/wiki/List_of_state-named...

    Segmented into two sections: one runs from Florida Avenue in Shaw, Washington, D.C. to Constitution Avenue outside the Capitol. The other runs between Independence Avenue and N Street near the Navy Yard. 2.5 miles (4.0 km) New Mexico Avenue NW: Street in Wesley Heights. Runs from 42nd Street and Tunlaw Road to Nebraska Avenue.