The origins of the castle of Castellengo date back to the 10th century. After the owner family, the Frichignono, became extinct in 1883, the castle underwent a gradual abandonment, changing …
Fortification present in the municipality of the same name, built starting from 1170 by Alberto di Rovasenda. At first it performed exclusively military functions and then became an economic and agricultural center in the 18th century.
The Casanova Castle dominated the center of the small town and had the function of shelter for the protection of the town's population, agricultural equipment and crops.