This 13th-century fortress is in Cassano dAdda, located between central Piazza Garibaldi and River Adda Its restaurant features high vaulted ceilings with original frescoes, and serves Italian and local specialities Rooms at Fortezza Viscontea are air conditioned and come with parquet floors Most rooms overlook either the river or the city square Free Wi-Fi is available throughout With its impressive interiors, which include frescoes from the Giotto school of painting, the Viscontea fortress features a historic atmosphere It once hosted Leonardo da Vinci