Descend into an underground world on a 3-hour private tour beneath the streets of historical Naples. In the company of a professional art historian, travel through the historical center and into ancient underground ruins, which reveal key details about Naples’ past. Visit the old Roman market that sits beneath the Gothic church of San Lorenzo Maggiore, and make your way down to an ancient archaeological site hidden deep beneath Naples Cathedral (Duomo di San Gennaro). Enjoy personalized attention from the informative guide every step of the way. Entrance fees not included.