The Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington County, Virginia, United States is the burial site (and the white, marble sarcophagus above it) of a World War I soldier whose remains were unidentifiable.

Since 1921, it has provided a final resting place for one of America’s unidentified World War I service members, and Unknowns from later wars were added in 1958 and 1984. The Tomb has also served as a place of mourning and a site for reflection on military service.

A Tomb of the Unknown Soldier or Tomb of the Unknown Warrior is a monument dedicated to the services of an unknown soldier and to the common memories of all soldiers killed in war.

For over 100 years, the Tomb of the Unknown Soldier has served as the heart of Arlington National Cemetery. As a sacred memorial site and the grave of three unknown American service...

The Tomb of the Unknown Soldier, America's final resting place for those whose remains have not been found or identified, inspires reflection on service, valor, sacrifice and mourning.