Treviso is a city in northeastern Italy with many canals. On the central Piazza dei Signori is the Palazzo dei Trecento, with battlements and vaulted arcades. The Fontana delle Tette is a 16th-century fountain that used to dispense wine. Nearby, the Duomo features a neoclassical facade, Romanesque crypt and a painting by Titian. The Civic Museums’ main site, the St. Catherine complex, has medieval frescoes.