Arlington National CemeteryArlington National Cemetery welcomes visitors to explore the rich history found within its hallowed grounds. Arlington National Cemetery Tours, Inc. provides an interpretative tour bus service through the cemetery, with weekday stops that include President John F. Kennedy's gravesite, the Tomb of the Unknown Soldier, U.S. Army Gen. John J. Pershing's gravesite, the U.S. Marine Corps War Memorial, and other notable memorials and gravesites. Weekend service also includes stops near Sections 55 and 59 and the Pentagon Group Burial Marker.