Spend your second day exploring Trani's historic center. Visit the iconic Trani Cathedral, a stunning Romanesque church that dates back to the 12th century. Take a walk through the narrow streets lined with charming shops and cafes. Don't miss a visit to the Swabian Castle, a medieval fortress that offers panoramic views of the city and the Adriatic Sea. In the evening, indulge in some gelato from one of the local gelaterias.