The bright red cars take travelers through breathtaking Tuscan scenery.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.

The only museum with its curator—and her pets—buried inside.

A cave in southern Italy adorned with thousand-year-old Biblical frescoes existed in obscurity until fairly recently.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

Hanging within this medieval church are the bones of a beast allegedly slain by a fourth-century saint.

A stunning bridge that appears as if it's lunging to the shore, and has a legend of a devilish architect.

A fake medieval village in the middle of Turin.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

A young Italian couple has been locked in an embrace for over 6,000 years.

Italian cave with exceptional acoustics and an unsavory history.

Venice's island of the dead.

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

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

An Italian hillside ghost town.

Geothermal waterfalls in Tuscany.

A two-way chairlift system between Zugliget and the highest point in the city.

Legions of Roman soldiers bathed in this ancient spa complex under a Budapest transit station.

This statue of a falling man commemorates a teenage martyr of the Hungarian Revolution.

A fake Transylvanian castle houses a cathedral of antlers.

This hidden art nouveau gem was designed by an architect in search of a national style.