Porta Praetoria offers a fascinating insight into the area's colorful past. Look up at the grand walls and try to visualize the events that happened around it throughout its time.
You'll soon learn why this Aosta historic structure is visited by many travelers. If you're searching for more to explore, Teatro Romano Ruins, Champoluc, and Arch of Augustus are in the area as well. They won't take you long to get to from Porta Pretoria.