Trani Cathedral, also known as the Cathedral of St. Nicholas the Pilgrim, is a stunning example of Romanesque architecture. Built in the 12th century, it is one of the most important landmarks in Trani. The cathedral features a beautiful rose window, intricate stone carvings, and a crypt that houses the remains of St. Nicholas the Pilgrim. Visiting the cathedral during winter allows you to admire its grandeur without the crowds, and the peaceful atmosphere adds to the overall experience.