Williamsport is a town in Washington County, Maryland, United States. The population was 1,868 at the 2000 census and 2,137 as of 2010.
Georgetown is a historic neighborhood and commercial district of Washington, D.C., in Northwest D.C., situated along the Potomac River. Founded in 1751 in the Province of Maryland, the port of Georgetown predated the establishment of the federal district and the City of Washington by 40 years. Incorporated into the District of Columbia, Georgetown remained a separate municipality until 1871 when the United States Congress created a new consolidated government for the whole District. A separate act, passed in 1895, specifically repealed Georgetown's remaining local ordinances and renamed Georgetown's streets to conform with those in the City of Washington.
Tenleytown is a historic neighborhood in Northwest, Washington, D.C.
The Chesapeake and Ohio Canal National Historical Park is located in the District of Columbia and the state of Maryland. The park was established in 1961 as a National Monument by President Dwight D. Eisenhower to preserve the neglected remains of the Chesapeake and Ohio Canal and many of its original structures.
The Francis Scott Key Bridge, more commonly known as the Key Bridge, is a six-lane reinforced concrete arch bridge conveying U.S. Route 29 (US 29) traffic across the Potomac River between the Rosslyn neighborhood of Arlington County, Virginia, and the Georgetown neighborhood of Washington, D.C. Completed in 1923, it is Washington's oldest surviving road bridge across the Potomac River.
Bloomingdale is a neighborhood in the Northwest quadrant of Washington, D.C., less than two miles (3 km) north of the United States Capitol building. It is a primarily residential neighborhood, with a small commercial center near the intersection of Rhode Island Avenue and First Street NW featuring bars, restaurants, and food markets.
Oldtown is an unincorporated community and census-designated place (CDP) in Allegany County, Maryland, United States, along the North Branch Potomac River. As of the 2010 census, it had a population of 86.
The Chesapeake and Potomac Telephone Company, usually known as C&P Telephone, is a former d/b/a name for four Bell Operating Companies providing service to Washington, D.C., Maryland, West Virginia, and Virginia.
Piscataway Park is a National Park Service-protected area located 20 miles (32 km) southwest of downtown Washington, D.C. in and around Accokeek, Maryland. It protects the National Colonial Farm, Marshall Hall, and the Accokeek Creek Site. The park is located across the Potomac River from George Washington's Mount Vernon estate.
Fort Ward is a former Union Army installation now located in the city of Alexandria in the U.S. state of Virginia. It was the fifth largest fort built to defend Washington, D.C. in the American Civil War. It is currently well-preserved with 90-95% of its earthen walls intact.
The Chesapeake Bay Gateways Network is a partnership program of the National Park Service and a system of over 150 parks, refuges, museums, historic communities and water trails in the Chesapeake Bay watershed. As a partnership program, it is not considered a Unit of the National Park System, but is managed by the National Park Service's Chesapeake Bay Office in Annapolis, Maryland, which also manages the Captain John Smith Chesapeake National Historic Trail and the Star-Spangled Banner National Historic Trail.
District of Columbia City Hall, also known as "Old City Hall" and the "District of Columbia Courthouse", is a historic building at Judiciary Square in downtown Washington, D.C. facing Indiana Avenue. Originally built for the offices of the government of the District of Columbia, the District's courthouse was subsequently used as a Federal courthouse, and was the scene of several notable criminal trials including those of three accused presidential assassins. The building was declared a National Historic Landmark in 1960. It now houses the District of Columbia Court of Appeals.
The Bowie Railroad Buildings comprise three small frame structures at the former Bowie train station, located at the junction of what is now the Northeast Corridor and the Pope's Creek Subdivision in the town center of Bowie, Maryland. The complex includes a single-story freight depot, a two-story interlocking tower, and an open passenger shed. The station was served by passenger trains from 1872 until 1989, when it was replaced by Bowie State station nearby. The buildings were restored in 1992 as the Bowie Railroad Museum and added to the National Register of Historic Places in 1998.
Seneca Quarry is a historic site located at Seneca, Montgomery County, Maryland. It is located along the Chesapeake and Ohio Canal on the north bank of the Potomac River, just west of Seneca Creek. The quarry was the source of stone for two Potomac River canals: the Patowmack Canal on the Virginia side of Great Falls; and the C&O Canal, having supplied red sandstone for the latter for locks 9, 11, 15 - 27, and 30, the accompanying lock houses, and Aqueduct No. 1, better known as Seneca Aqueduct, constructed from 1828 to 1833.
Mallows Bay is a small bay on the Maryland side of the Potomac River in Charles County, Maryland, United States. The bay is the location of what is regarded as the "largest shipwreck fleet in the Western Hemisphere" and is described as a "ship graveyard."
Knoxville is an unincorporated community in Frederick and Washington counties, Maryland, United States. The Robert Clagett Farm and Magnolia Plantation are listed on the National Register of Historic Places.
The Chesapeake and Potomac Telephone Company Warehouse and Repair Facility is an Art Deco industrial building, located at 1111 North Capitol Street, Northeast, Washington, D.C., in the NoMa neighborhood which houses the headquarters of National Public Radio.
The Chesapeake and Potomac Telephone Company Building is a historic structure located in Downtown Washington, D.C. It was listed on the National Register of Historic Places in 1988.
