Leisure World is a census-designated place and unincorporated area in Montgomery County, Maryland, United States. It is an age-restricted development primarily inhabited by retirees.
Population: 8,749
Latitude: 39° 06' 8.28" N
Longitude: -77° 04' 8.33" W
A truss bridge is a bridge whose load-bearing superstructure is composed of a truss, a structure of connected elements forming triangular units. The connected elements (typically straight) may be stressed from tension, compression, or sometimes both…
Arlington National Cemetery is a United States military cemetery in Arlington County, Virginia, across the Potomac River from Washington, D.C., in whose 624 acres (253 ha) have been buried the dead of the nation's conflicts beginning with the Americ…
The Oval Office is the official office of the President of the United States.
Howard University is a federally chartered, private, coeducational, nonsectarian, historically black university in Washington, D.C.
A sundial is a device that tells the time of day by the position of the Sun. In common designs such as the horizontal sundial, the sun casts a shadow from its style onto a surface marked with lines indicating the hours of the day. The style is the t…
American University (AU or American) is a private, coeducational, liberal arts curriculum, doctoral, and research-based university in Washington, D.C., United States, affiliated with the United Methodist Church, although the university's curriculum …
The Project for the New American Century (PNAC) was a neoconservative think tank based in Washington, D.C. that focused on United States foreign policy. It was established as a non-profit educational organization in 1997, and founded by William Kris…
The United States Department of Health and Human Services (HHS), also known as the Health Department, is a cabinet-level department of the U.S. federal government with the goal of protecting the health of all Americans and providing essential human …
The National Institutes of Health (NIH) is a biomedical research facility primarily located in Bethesda, Maryland. An agency of the United States Department of Health and Human Services, it is the primary agency of the United States government respo…
Arlington County is a county in the Commonwealth of Virginia. It is coterminous with the U.S. Census Bureau-census-designated place of Arlington, which is the second-largest principal city of the Washington metropolitan area. As a result, the county…
The National Mall is a national park in downtown Washington, D.C., the capital of the United States. The National Park Service (NPS) administers the National Mall, which is part of its National Mall and Memorial Parks unit. The term National Mall co…
Bethesda is a census-designated place in southern Montgomery County, Maryland, just northwest of the United States capital of Washington, D.C. It takes its name from a local church, the Bethesda Meeting House (1820, rebuilt 1849), which in turn took…
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 …
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 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…
Benjamin Banneker (November 9, 1731 – October 9, 1806) was a free African American scientist, surveyor, almanac author and farmer. Born in Baltimore County, Maryland, to a free African American woman and a former slave, Banneker had little formal ed…
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…