Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

Dug as a secret royal escape route, the tunnel became a wartime bomb shelter and dumping ground for vintage cars.

One of the most important yet well-hidden museums dedicated to the history of medicine.

A Nesting Doll of Churches.

The Pope’s secret escape route.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

Crushed coral and crystals give the sand its signature coloration.

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

A forgotten "city of water" underneath the famous Trevi district.

One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.

This centuries-old Italian chapel hangs midway down a sheer cliffside.

Drink wine handed out through a window as part of an age-old tradition.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

An Italian hillside ghost town.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

Five candy-colored villages on the Italian Riviera.

Hidden in an Italian forest is a completely homemade amusement park that has taken a lifetime to create.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

This enchanting 600-year-old tree is so magical it inspired the beloved tale of Pinocchio.

The largest and most famous wax anatomical collection anywhere in the world.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

Jesus' footprints and the first catacombs in the world.