Catania has a unique setting, lying in the shadow of Mount Etna, Europe's largest active volcano. Each year, Etna attracts thousands of sightseers from all over the world and a visit to the crater is a must. In the winter, the mountain side transforms into a ski resort. Catania has a unique historical and artistic heritage with numerous monuments of great importance: the Cathedral of Catania, the Palazzo degli Elefanti, the Fountain dell'Amenano, Palazzo Asmundo di Gisira, Ursino Castle, the Convent of St Maria dell'Indirizzo, the thermal baths dell'Indirizzo, Porta Carlo V, Porta Uzeda, the House and Museum of Giovanni Verga, the Massimo Theatre, the Casa del Mutilato. Other sights are Palazzo Paliamone, Palazzo Biscari, Palazzo Valle, the Collegio dei Nobili, the Casa di Vaccarini, Palazzo dei Principi di Manganelli, the Monument to Bellini, Palazzo della Borsa, Villa Cerami, the Roman theatre, the Belliniano Museum, the Roman Baths, the Benedettini Monastery, the list is endless.