A place of worship for some, Duomo dei santi Pietro e Caterina is worth checking out, regardless of your religious beliefs. Find out if this holy sanctuary is open to tourists for a welcome pause from your busy sightseeing itinerary.
This house of prayer is located in Ronciglione. Once you've done everything you want to at Duomo dei santi Pietro e Caterina, head to nearby Lake Vico, Villa Farnese, and Sutri Ruins.