Walls, towers and gates Porta del Vallo It is assumed that the Porta was built at the same time with Castel d'Appius in the thirteenth century. It is a fortified structure, which, at the time, was used to survey the valley. Over the years it was seriously damaged.
Walls, towers and gates Torre Porta Canarda The Tower and Porta Canarda were built in the XII century. At that time represented an important point of passage: they were in the road that connected Rome with Spain. The object was built in the Gothic style, and inside there is a plaque depicting the famous characters that have passed under the door. Today it is in a good state of preservation.