Built as a defensive structure, this medieval walkway road offers a unique view of the village of Brisighella.

This castle was once the home of one of the most powerful women of the Renaissance.

Since the 1960s, this small village has invited painters to decorate its walls.

In the world's oldest university is a stunning 17th century anatomical theater carved from spruce.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

A striking memorial recalls thousands of Bolognese men and women killed fighting fascists in World War II.

This small-town museum is dedicated to the original western movie mega-star.

“It has nae lugs!”

Last remaining nuclear missile base in Ukraine.

This ancient subterranean megalopolis is known for the hot oil traps that were installed above each of its entrances.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

The fastest way to send a message before electricity was invented.

One of the world's oldest universities houses an incredible collection of anatomical models, mummified body parts, and human bones.

Sculpture park built by a 50-year-old widow.

A beautiful drive through the foot of the Alps traces the path of 15th-century Turkish raids.

A monument to the bloody fight against fascism in Slovakia during World War II.

High in the clouds of San Marino sits an ancient tower with some curious prisoner graffiti.

Site of the largest impact event to occur over land in Earth's recorded history.

A medieval church built up to defend its village.

This historic streetcar system has been running since the 19th-century.

The shattered remains of the world's once tallest structure.

Right angles in the forests of Panama.

Norway's chilly all ice-instrument festival.

This large sand dune in the Netherlands is home to wind-whipped trees with "floating" roots.