Take a stroll through the hellish grotesques of Hieronymus Bosch in this elaborate Netherlands church.

Four alabaster giants contemplate the tides on the shore of Denmark.

These old World War II fortifications have been transformed into an unusual equine attraction.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

An abandoned lighthouse awaits its destiny: being buried under shifting sand.

Tiring of digging out the door to this church for every service, it was eventually abandoned to the sands.

The last fully functional fortress of Germany's World War II Atlantikwall.

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

An opportunity to walk in the footsteps of Nobel Peace Prize winners.

A unique sculpture designed to outline humanity's reliance on oil.

A favorite with sightseers and locals alike, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

An art project designed to encourage people to explore and investigate their surroundings more closely

In a city of wooden houses, this watchtower was vital for early fire detection.

This 65,000-ton glacial boulder stands as a striking natural monument.

An intricately carved Viking church overlooks a glistening fjord.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

Relocated from the Baltics, this bronze figure of the Soviet leader reclines on fork-like supports.

These hilariously laughing bronze figures lampoon empty promises while encouraging civic engagement.

Located in the middle of public park, this cave built in the early 19th century houses an ancient stone sarcophagus.

Search the street for hidden cats, all up to different kinds of mischief.

A Nazi concentration camp and Anne Frank's place of death.

This floating sculpture of ice is a poignant reminder of nature's power.

This Neolithic Stone Circle is the largest in mainland Scotland