Saint Peter’s is the cathedral church of the city and dates back to the 10th Century.
The imposing campanile was added between the 12th and 13th Century.
Inside, there are some important works of art including the Annunciation, by Lodovico Carracci in the high altar, the frescoes on the vault of the presbytery and the apse, a 12th Century wooden Crucifixion and the Mourned Dead Christ, a group of terracotta sculptures by Alfonso Lombardi, which date back to the 16th Century.