Arlington House is the historic Custis family mansion built by George Washington Parke Custis from 1803–1818 as a memorial to George Washington. Currently maintained by the National Park Service, it is located in the U.S. Army's Arlington National Cemetery in Arlington County, Virginia. Arlington House is a Greek Revival style mansion designed by the English architect George Hadfield. The Custis grave sites, garden and slave quarters are also preserved on the former Arlington Estate.