History of the United States (1991–2008) South Tower less than twenty minutes later at 9:03 A.M. (EST), resulting in the collapse of both 110 story skyscrapers, and the destruction of the World Trade Center. The third hijacked plane, American Airlines Flight 77, was crashed into the Pentagon (the headquarters of the United States Department of Defense) in Arlington County, Virginia, demolishing a section of the outer southwest facing wall. After discovering that their plane, United Airlines Flight 93, was going to be used as a missile, passengers attempted to regain control of the plane which had been redirected towards Washington, D.C. However, after regaining control from
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