The narrow passages will challenge even the bravest driver.

In Faroese legend, this sinister horse-shaped beast lures unsuspecting passersby only to drown them in the lake.

This tombstone marks the spot where the legendary British spy met his end.

This isolated structure beckons adventurers with sublime views of the Faroe Islands.

The largest lake in the Faroe Islands seems to be held hundreds of feet above sea level thanks to an optical illusion.

Located more than 600 feet beneath sea level, this tunnel boasts the world's first undersea roundabout.

This mysterious, medieval cathedral remains unbuilt but fiercely protected.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

Twisted girders are all that remain of an Icelandic bridge that was wiped out by a combination of volcanic heat and glacial floods.

The most powerful waterfall in all of Europe.

A real-life homage to the Rachel McAdams and Will Ferrell's fictional Eurovision musical duo.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

This elegant arc of a waterfall marks a religious turning point.

A natural wonder in south Denmark.

A spiralling hourglass-shaped tower rises from the forests in Denmark.

A perfectly circular stronghold constructed in the 10th century is now a nucleus of Viking culture housing a museum, village, and reenactment of an epic Viking battle.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

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

Does this statue depict Thor, or Jesus Christ? Nobody knows.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

According to legend, this is the burial place of a mythical three-legged death omen horse.

An enormous playhouse designed to look like 21 stacked Lego bricks, with another 25 million colorful Legos inside.

Only a few pieces remain of the structure that carried people and goods across the Thames for some 600 years.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.