Archaeological excavation started in the 1960s when Djerdap dam I and hydropower station were built. The works brought to light sacred architecture and monumental sculptures from one of the oldest Danube cultures, dating back to 7,000-6,000 BC, also marking the beginning of civilisation in Europe. A total of 136 dwellings were unearthed, most of them facing the Danube. New structures protect this enormous heritage of mankind. Most impressive are the fish mouth style sculptures. Lepenski Vir is 19km west of Donji Milanovac (sign posted). There are also architecturally preserved old Serbian houses near the entrance.