The Museum of the Royal Tombs of Aigai (Vergina) is located 75 km west of Thessaloniki, Greece, centered around the royal tombs built by the ancient Kingdom of Macedon at Aigai. The underground museum containing the burial cluster of Philip II of Macedon began construction in 1993 and was inaugurated in 1997. Exhibits are presented in four interconnected areas, including the Palace, the royal burial cluster of the Temenid dynasty (burial cluster "C"), the burial cluster of Philip II , and a gateway entrance with a semi-open-air exhibition of the sculptures found in the city sanctuaries and the restored upper floor of the Palace of Philip's facade. The tombs and other archeological sites of Aigai were inscribed on the UNESCO World Heritage List in 1996 because of its exceptional architecture and testimony to the transition between city-states and empires in European civilization. The collections housed in the museum are the grave goods recovered from a series of archaeological excavations beginning in 1861 and continue to the present day.