The Cathedral of San Pietro is one of the oldest buildings in the city and the main place of worship. The exterior is a mish-mash of Carrera marble and brick. It is interesting that the Cathedral is dedicated to a Saint (Peter the Apostole) and not the patron of the city of Mantua who was Saint Anselm, Bishop of Lucca, whose incorrupt body is preserved in the Cathedral and is exposed to the citizens on March 18 by every year. The Duomo was really lovely inside. Interestingly, the Stations of the Cross on the walls of the nave (main part of the church) were done in very modern terra cotta and were actually quite beautiful. read more