A tumulus is a mound of earth and stones raised over a grave or graves.
World Heritage Sites connected to 'Tumuli':
Archaeological Site of Aigai Belovezhskaya Pushcha / Bialowieza Forest 184 old Slav burial tumuli from the 10th and 11th centuries have been found (UNEP-WCMC)Bend of the Boyne Cahokia Mounds Cilento and Vallo di Diano La tomba del Principe in Monte PrunoCuronian Spit 500 tumuli were discovered in KaupEtruscan Necropolises Gamzigrad-Romuliana The mausolea of Galerius and his mother are hidden in two tumuli, visible from the main palaceGolden Mountains of Altai The Pazyryk tombs are Scythian kurgans, that is barrow-like tomb mounds of larch logs covered over by large cairns of boulders and stones, dated to between the 6th and 3rd centuries BCE. (wiki); linkGyeongju
Head-Smashed-In Buffalo Jump a tumulus where vast quantities of buffalo (American Bison) skeletons can still be found (Unesco website)Jelling Kernavë Archeological Site Koguryo Kingdom "Some of the tombs show great ingenuity in their elaborate ceilings, designed to roof wide spaces without columns and carry the heavy load of a stone or earth tumulus (mound), which was placed above them." - Nomination File Koguryo Tombs "The best known cultural heritage remains of this kingdom are thousands of tombs, built of stone and covered by stone or earthen mounds. Earthen mound tombs, including many with murals, were prevalent once Koguryo moved its capital to Pyongyang - but existed in other parts of the kingdom as well." - Nomination fileNemrut Dag the tumulus at the site, which is 49 m (161 ft) tall and 152 m (499 ft) in diameter (wiki); linkNeolithic Orkney MaeshoweSaloum Delta Shellfish tumuliSammallahdenmäki Stone cairnsSolovetsky Islands over 600 stone burial cairnsStonehenge Avebury Silbury hill near Avebury (biggest tumulus in Europe), West Kennet Barrow and East Kennet Barrow. Also many smaller ones.Taxila tumulus of SaraikalaVolubilis AB: ?there is a burial mound dating from the 3rd/2nd century BC?