ontagnana. A medieval gem of antique splendour. History. 1 Castle of San Zeno. 2 Interior of a Carrara tower. 3 Rocca degli Alberi and south walls. 4 Civic Museum ‘A. Giacomelli’: the Ceramics Room and the Art Gallery. 5 Mastio of Ezzelino from the entrance of Porta Padova. 6 Civic Museum ‘A. Giacomelli’: the Roman division.