Arlington, Virginia
During the American Civil War, the grounds of the mansion were selected as the site of Arlington National Cemetery, in part to ensure that Confederate General Robert E. Lee would never again be able to return to his home.
Arlington, Virginia
The cemetery was established on the grounds of Arlington House, formerly the estate of the family of Robert E. Lee's wife Mary Anna Custis Lee, a descendant of Martha Washington.
Arlington, Virginia
Headquarters of the Department of Defense for the United States of America, the Pentagon is one of the world's largest office buildings. It has three times the floor space of the Empire State Building.
Arlington, Virginia
The Tomb of the Unknowns has been guarded continuously, 24 hours a day, 7 days a week, since July 2, 1937. Inclement weather does not cause the watch to cease.
