In 1481 the fourteenth century castle, previously owned by the Beccaria family, passed under the control of Ludovico il Moro who lived in it for long periods. The entrance to the building is a portal which was damaged in the Baroque era but the crossbow loops of the historic drawbridge camber are still visible. Today the Archaeological Museum is based here with more than 1200 exhibits from Lomellina's history from prehistory to the Celtic and Roman eras illustrated by a great many information panels.