In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

A spiritual sanctuary in a natural cave.

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

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

The Emperor Tiberius' palace of debauchery.

A 1,000-year-old church holds the bones of the Christian martyrs who died hiding inside it.

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

Beautiful views and Roman-style statues on the Italian coast.

One man's quest to fix his toilet unearthed over 5,000 artifacts spanning more than 2,000 years of history.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

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

A fake medieval village in the middle of Turin.

A sulfuric hellscape in southern Italy.

Southern Italy's spinning top village.

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

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

"Stairs of the Turks", a chalky white cliff eroded conveniently into stairs, allowing for easy pillaging.

Italian cave with exceptional acoustics and an unsavory history.

The world's most active stratovolcano is almost always erupting.

Erotic art covers the walls of the largest ancient pleasure palace.

Ancient snack bar of the Roman Empire re-opened.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

Medieval torture techniques with a modern conscience.