One of the highest mountain passes in Europe has been ranked among the best driving roads in the world.

The city of Palestrina was built around this magnificent terraced sanctuary dedicated to the pagan goddess Fortuna.

The highest waterfall in Italy is only "turned on" five times a year.

Water and windows define this defensive Italian well.

A gorgeous medieval library where the books are kept in chains.

The sunlight passing through the opening of this huge cave system creates a magical effect.

The world's largest bamboo labyrinth is a living demonstration of the plant’s immense potential.

A fascinating assortment of cave dwellings, medieval ruins, and sarcophagi are being devoured by the forest.

A spiritual sanctuary in a natural cave.

An open-air museum in a mountain valley features works designed to blend in with—and disintegrate back into—their natural surroundings.

The abandoned ruins of a failed resort hide on this verdant, picture-perfect island.

This ancient altar emerges from the thick forests to reveal the mysteries of Etruscan sacrificial rituals.

A star-shaped fortress town fort built in the geometric model of the Renaissance utopian city.

This seaside Italian village doesn't just look Escher-esque, it actually inspired the mind-bending artist.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

A popular legend claims that the famous pizza was invented at a restaurant in this alley.

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

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

A lover's walk between hilltop towns, decorated with graffiti love notes.

A sunken idol welcomes parishioners to Davy Jones' Locker.

Ancient snack bar of the Roman Empire re-opened.

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

One of the largest caves in the world open to the public.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.