Böhringer Friedrich, CC BY-SA 2.5 , via Wikimedia Commons
City on Croatia’s Dalmatian coast, is known for the Roman and Venetian ruins of its peninsular Old Town. There are several Venetian gates in the city walls. Surrounding the Roman-era Forum is 11th-century St. Mary’s Convent, with religious art dating to the 8th century. There’s also the grand, 12th-century St. Anastasia’s Cathedral and the round, 9th-century pre-Romanesque Church of St. Donatus.