Castel di Fiume, of which only the tower remains, was built in the 13th century by the noble Fiume family and had a troubled military life as a defensive reference for all the neighboring towns. At the end of the 15th century it suffered so much damage and devastation that it suffered a slow abandonment, up to a very recent restoration.

The quadrangular tower is made of sandstone, has pointed-arched windows and is spread over six levels. On the tower there are the dovecote holes, used to capture birds, and on its top there are brick corbels.