25 was released in a tomb.
Thracian Tomb of Kazanlak, BulgariaThracian Tomb of Sveshtari, BulgariaTomb of Seuthes III, BulgariaTomb of the Unknown SoldierUnited Kingdom: The Unknown WarriorFrance: Tomb of the Unknown Soldier beneath the Arc de Triomphe de l'toileUnited States: Tomb of the Unknown Soldier in Arlington National CemeteryIraq: Monument to the Unknown SoldierRussia: Tomb of the Unknown Soldier in Alexander Garden, Moscow== References ==
 A cairn (a mound of stones built for various purposes), might also be originally a tumulus

