With your prepaid voucher in hand, make your way to the National Roman Museum, located in four different buildings in central Rome.
Enjoy your skip-the-line access to each branch of the museum, which contains the world's greatest collection of Greco-Roman art. Your ticket is good for eight days, during which you can visit the branches of the museum at your leisure.
At the Palazzo Altemps, see a collection of Egyptian artifacts and the Boncompagni-Ludovisi sculpture collection. Visit the excavated basement crypt and a collection of exhibitions at the Crypta Balbi. Look around the preserved imperial Baths of Diocletian and see the Greco-Roman numinastics, mosaics, frescoes, and sculptures at the Palazzo Massimo.