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.
From Rome: Full-Day Small Group Tour to Venice by Train

Venice in one day is a rush. This full-day format is interesting because you’re not stuck planning transit yourself: you get round-trip first-class train and a guide riding with you so the day stays smooth. You also get that small-group…














