The Keyhole on Aventine Hill: A Hidden Gem Worth Finding

 

But it’s not a coincidence; it was deliberately created to produce a visual effect when the Villa was being redeveloped in the early 18th century under Cardinal Ottoboni. The view captures two of the most important symbols of Catholicism in a single frame: the Pope’s church in Vatican City and the headquarters of the Knights of Malta.

During the day, the silvery dome of St. Peter’s is clearly visible, rising above the green treetops. At night, the dome glows golden under the lights.