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

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

This amazingly preserved Doric temple was abandoned before it was ever completed.

Things seem to roll, flow and run uphill on this short patch of road near Ariccia, Italy.

Nestled in the hills of Tuscany are gorgeous, multicolored hot springs.

This breathtaking monastery was established by Saint Benedict himself 1,500 years ago.

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

A 12th-century Italian skirmish gets reenacted with 500,000 pounds of flying citrus.

The world's first underwater farm is home to more than 700 plants.

An abandoned 17th-century baroque hunting lodge with a wonderfully strange architectural plan.

What looks like a link in Gondor's early warning system is actually a centuries-old Italian fortress.

A spiritual sanctuary in a natural cave.

On the coast of Sardinia, a once-great mining village is finding new life as a coastal resort town.

The forbidden island of the Tuscan Archipelago may still contain buried treasure.

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

This natural gas vent certainly earns its name as the smallest volcano in Italy.

The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

A domed disco abandoned since the '70s now attracts artists and explorers under its unique roof.

This Italian dam is covered in salt-hungry goats who manage to scale its almost vertical face.

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

Bell tower juts out from a village buried under a lake.

The Sighignola summit on the Swiss border offers views so breathtaking it's been named one of the most beautiful places in Italy.

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

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