This cosmopolitan coastal city is famous for its annual carnival, Rijeka's theatres, museums and abundant history make cruises to Rijeka an intriguing destination at any time of the year. The unique Baroque rotunda of St Vitus Cathedral, dedicated to the port's Patron Saint and protector, is in the old town. He appears again in a relief on the early 16th century city flagpole outside the Municipal Palace close to the Church of St Jerome, once part of an Augustinian monastery complex. Further stone decorations, this time of fish and molluscs, are found in the city's Great Market. Energetic visitors on Rijeka cruises can climb the 500 steps to reach the ancient district of Trsat and the Church of Our Lady of Trsat, the oldest Croatian sanctuary dedicated to the Virgin Mary.