Built at the request of Emperor Frederick Barbarossa. The building currently houses the Police Headquarters

Founded as a convent it was handed over to the Benedictine nuns who built the church in 1588 (today's Aula Magna).

The church of Sant'Agnese was built in the XIV century, passing, in 1351, to the Order of Saint Augustine.

The Museum of Natural Sciences, owned by the Barnabite Fathers, was founded in 1833 and offers a large collection of animal specimens.