Adelphi is an unincorporated area and census-designated place in Prince George's County, Maryland. The population was 15,086 at the 2010 United States Census.
Population: 15,086
Latitude: 39° 00' 11.41" N
Longitude: -76° 58' 18.91" W
The National Geographic Society (NGS), headquartered in Washington, D.C. in the United States of America, is one of the largest nonprofit scientific and educational institutions in the world. Its interests include geography, archaeology and natural …
Annapolis (/əˈnæpəlɨs/) is the capital of the U.S. state of Maryland, as well as the county seat of Anne Arundel County. Situated on the Chesapeake Bay at the mouth of the Severn River, 25 miles (40 km) south of Baltimore and about 30 miles (48 km) …
The Organization of American States (Spanish: Organización de los Estados Americanos, Portuguese: Organização dos Estados Americanos, French: Organisation des États Américains), or the OAS or OEA, is an inter-continental organization founded on 30 A…
The Defense Intelligence Agency (DIA) is the main foreign military espionage organization of the United States, operating under the jurisdiction of Department of Defense (DoD). As one of the principal members of the U.S. Intelligence Community (IC),…
Ronald Reagan Washington National Airport (IATA: DCA, ICAO: KDCA, FAA LID: DCA) is a major airport 3 miles (5 km) south of downtown Washington, D.C., in Arlington County, Virginia. It is the nearest commercial airport to Washington, D.C and serves t…
The Washington Metro, commonly called Metro and branded Metrorail, is the rapid transit system serving the Washington, D.C. metropolitan area in the United States. It is administered by the Washington Metropolitan Area Transit Authority (WMATA), whi…
The Tomb of the Unknowns is a monument dedicated to American service members who have died without their remains being identified. It is also known as the Tomb of the Unknown Soldier, but it has never been officially named. It is located in Arlingto…
The National Gallery of Art and its Sculpture Garden are a national art museum in Washington, D.C., located on the National Mall, between 3rd and 9th Streets, at Constitution Avenue NW. Open to the public and free of charge, the museum was privately…
Kryptos is an encrypted sculpture by the American artist, Jim Sanborn, that is located on the grounds of the Central Intelligence Agency (CIA) in Langley, Virginia. Since its dedication on November 3, 1990, there has been much speculation about the …
The United States Department of Housing and Urban Development (HUD) is a Cabinet department in the Executive branch of the United States federal government.
Operation Mockingbird was a secret campaign by the United States Central Intelligence Agency (CIA) to influence media. Begun in the 1950s, it was initially organized by Cord Meyer and Allen W. Dulles, and was later led by Frank Wisner after Dulles b…
The National Reconnaissance Office (NRO) is one of the 17 U.S. intelligence agencies and considered, along with the Central Intelligence Agency (CIA), National Security Agency (NSA), Defense Intelligence Agency (DIA), and National Geospatial‐Intelli…
Number One Observatory Circle is the official residence of the Vice President of the United States.
This article is about the county. For the city with the same name, see Fairfax, Virginia.
The Cathedral Church of Saint Peter and Saint Paul in the City and Diocese of Washington, operated under the more familiar name of Washington National Cathedral, is a cathedral of the Episcopal Church located in Washington, D.C., the capital of the …
The West Wing, also known as the Executive Office Building, houses the offices of the President of the United States.
The International Finance Corporation (IFC) is an international financial institution that offers investment, advisory, and asset management services to encourage private sector development in developing countries. The IFC is a member of the World B…
The Phoenix Program (Vietnamese: Chiến dịch Phụng Hoàng, a word related to fenghuang, the Chinese phoenix) was a program designed, coordinated, and executed by the United States Central Intelligence Agency (CIA), United States special operations for…