With Hadrian’s Mausoleum in a convenient location on the Tiber River, and with its colossal size and strength, it was a natural point of defense in case of an attack on the papacy. It ...

representing some of the most visited places in the area and constituting important cultural attractions (such as Hadrian's Villa in Tivoli, the Pantheon, and the Mausoleum of Hadrian, now Castel ...