If you would rather see Rome with a guide, HappyToVisit lays out the best-reviewed Rome tours, and the official Turismo Roma and Italia.it sites cover hours and access.
Small-Group Express Tour of Trevi Fountain with Undergrounds

Trevi is bigger than the coin toss. This express tour pairs a quick, guided look at the fountain with an underground stop at Vicus Caprarius, the City of Water site beneath Rome. I like the small-group size (max 12), and…














