Golubac FortressThe Golubac Fortress (Голубачки град or Golubački grad) was a medieval fortified town on the south side of the Danube River, downstream from the modern-day town of Golubac, Serbia. According to recent discoveries, the fortress, which was built during the 14th century by Medieval Serbian state, is split into three compounds which were built in stages. It has ten towers, most of which started square, and several of which received many-sided reinforcements with the advent of firearms. Towers were not connected for easier defense.
Smederevo FortressThe Smederevo Fortress (Cмeдepeвcκa твpђaвa / Smederevska tvrđava) is a medieval fortified city in Smederevo, Serbia, which was the temporary capital of Serbia in the Middle Ages. It was built between 1427 and 1430 on the order of Despot Đurađ Branković, the ruler of the Serbian Despotate. It was further fortified by the Ottoman Empire, which had taken the city in 1459. The fortress withstood several sieges by Ottomans and Serbs, surviving relatively unscathed. During World War II it was heavily damaged, by explosions and bombing.
Đerdap National ParkĐerdap National Park (Национални парк Ђердап / Nacionalni park Đerdap) stretches along the right bank of the Danube River from the Golubac Fortress (Голубачки град / Golubački grad) to the dam near Novi Sip, Serbia. It was established in 1974 and spreads on . The park management office is in the town of Donji Milanovac on the Danube. Across the river is the Parcul Natural Porțile de Fier in Romania. In July 2020 the wider area of the national park was designated as the UNESCO global geopark, as the first protected area from Serbia labeled that way.
DanubeThe Danube (ˈdæn.juːb ; ) is the second-longest river in Europe, after the Volga in Russia. It flows through much of Central and Southeastern Europe, from the Black Forest into the Black Sea. A large and historically important river, it was once a frontier of the Roman Empire and today connects ten European countries, running through their territories or being a border. Originating in Germany, the Danube flows southeast for , passing through or bordering Austria, Slovakia, Hungary, Croatia, Serbia, Romania, Bulgaria, Moldova, and Ukraine.
PaleolithicThe Paleolithic or Palaeolithic (ˌpeɪl-,_ˌpæliəʊˈlɪθɪk), also called the Old Stone Age (from Greek: παλαιός palaios, "old" and λίθος lithos, "stone"), is a period in human prehistory that is distinguished by the original development of stone tools, and which represents almost the entire period of human prehistoric technology. It extends from the earliest known use of stone tools by hominins, 3.3 million years ago, to the end of the Pleistocene, 11,650 cal BP.
