Arlington House, The Robert E. Lee Memorial - Credit: Wikimedia Commons
Arlington House is the historic family residence of Robert E. Lee, commanding general of the Confederate Army during the American Civil War in Arlington County, Virginia. The estate of the historic home along with a memorial to Lee are now the center of Arlington National Cemetery in Arlington County, where they overlook the Potomac River and the National Mall in Washington, D.C. Read more on Wikipedia
Source: en.wikipedia.org