Arlington County, Virginia area. The county is situated in Northern Virginia on the southwestern bank of the Potomac River directly across from Washington, D.C., of which it was once a part. With a land area of , Arlington is the geographically smallest self-governing county in the U.S., and by reason of state law regarding population density, has no incorporated towns within its borders. Due to the county's proximity to downtown Washington, D.C., Arlington is home to many important installations for the capital region and U.S. government, including the Pentagon, Reagan National Airport, and Arlington National Cemetery. Many schools and universities have campuses in
Glebe House (Arlington, Virginia) Glebe House (Arlington, Virginia) The Glebe House, built in 1854–1857, is a historic house with an octagon-shaped wing that is located at 4527 17th St., North in Arlington County, Virginia. The Northern Virginia Conservation Trust holds a conservation easement to help protect and preserve it. A historical marker that the Arlington County government erected near the house in 1969 states that the glebe was a farm that: ... provided for the rector of Fairfax Parish, which included both Christ Church, Alexandria, and the Falls Church. The Glebe House, built in 1775, stood here. It burned in 1808 and was rebuilt