Greenbelt is a city in Prince George's County, Maryland, United States. Contained within today's City of Greenbelt is the historic planned community now known locally as "Old Greenbelt" and designated as the Greenbelt Historic District.
Population: 23,068
Latitude: 39° 00' 16.38" N
Longitude: -76° 52' 31.91" W
The Smithsonian Institution (/smɪθˈsoʊniən/ smith-SOE-nee-ən), established in 1846 "for the increase and diffusion of knowledge," is a group of museums and research centers administered by the United States government. Originally organized as the "U…
The United States Department of Agriculture (USDA), also known as the Agriculture Department, is the U.S. federal executive department responsible for developing and executing federal government policy on farming, agriculture, forestry, and food.
The University of Maryland, College Park (often referred to as The University of Maryland, Maryland, UM, UMD, or UMCP) is a public research university located in the city of College Park in Prince George's County, Maryland, approximately 4 miles (6.…
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…
The United States Naval Academy (also known as USNA, Annapolis, or Navy) is a four-year coeducational federal service academy located in Annapolis, Maryland, United States. Established in 1845 under Secretary of the Navy George Bancroft, it is the s…
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 …
George Mason University (also Mason), located in Fairfax, Virginia, United States, is the largest public research university in the Commonwealth of Virginia.
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…
Air Florida Flight 90 was a scheduled U.S. domestic passenger flight from Washington National Airport to Fort Lauderdale – Hollywood International Airport with an intermediate stopover at Tampa International Airport. On January 13, 1982, the Boeing …
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…