Genoa's historic center, known as the 'Centro Storico,' is a UNESCO World Heritage site and a must-visit during your winter trip. Wander through the narrow medieval streets and admire the beautiful architecture of the old buildings. Visit the Palazzo Ducale, a former residence of the Doges of Genoa, and explore its stunning courtyards and art collections. Don't forget to stop by the Cathedral of San Lorenzo, a magnificent example of Gothic architecture.