Lithuania offers a wealth of destinations for travellers. Vilnius, the capital city, is a UNESCO World Heritage Site celebrated for its extraordinary medieval Old Town, Baroque churches, and the bohemian Užupis district. Trakai Island Castle, a 14th-century Gothic castle set on an island in Lake Galvė, is one of the most iconic landmarks in the country. The Hill of Crosses near Šiauliai, covered with over 100,000 crosses, is one of the most powerful cultural and religious sites in the Baltic region. The Curonian Spit, a UNESCO World Heritage Site, offers the highest sand dunes in Europe and pristine Baltic coastline.