This winding road through an Italian canyon may be the most scenic drive in the world.

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

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

This Italian foot path winds through the mountains via 52 individual tunnels.

Where Aleister Crowley taught magick in "La Chambre Des Cauchemars," his "Chamber of Nightmares."

The astonishing collection of an infamous criminologist.

Crossing this suspension bridge feels like walking through the sky, a fitting tribute to the head of the Apollo program.

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

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

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

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

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

A Milanese café entirely designed by the American director Wes Anderson.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

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

A submerged archeological park still holds the wonders of a Roman Sodom.

A 16th-century horror show built in a lovely Italian garden.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

A poignant museum dedicated to the history of the Dutch resistance against Nazi occupation

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

Where serial killer Aileen Wuornos drank her last beer.

A church made of steel.

A cemetery and the town it served sinks beneath the sea during the volcanic birth of Mt. Vulcan.

This airport also offers travelers the chance to view thousands of years of Turkish history.