Make your way to Vatican City to marvel at the grandeur of St. Peter's Basilica, where you can also climb to the dome for breathtaking views of the city.
Take the Metro from Trastevere to Ottaviano, approximately 20 minutes.
Treat yourself to some of the best gelato in Rome at Giolitti, a sweet conclusion to your day's Italian adventure while sitting in the Piazza della Maddalena.