 The main sights are the castle, pieve (pleban church), and the baptistery of St. Lawrence (the bishop of Autun, dear to the Frank people), dating to the late 9th century.It is one of the main examples of pre-Romanesque architecture in Piedmont, often featuring a bell tower and a rectangular apse.It is home to numerous frescoes, dating from the mid-11th to the late 15th centuries.