An alien landscape on the banks of the Aegean Sea.

An autonomous republic of Orthodox monks.

This remarkable cave was discovered after a shepherd watched bees enter and exit through a small fissure.

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

Monasteries on rock pillars, once accessible only by frayed ropes.

These quaint French houses dangle precariously over a precipice.

An eerie, derelict amusement park in Berlin.

A literally moving statue of stacked metal giants just continually trying (and failing) to find love.

This intricately spiralling forest was created as a monumental work of art.

The smallest restaurant in the world.

A 246-foot-high revolving restaurant rises unexpectedly from a forested Finnish hilltop.

A replica of the home of a famous fictional troll family.

A beautiful Arctic museum and nature center preserves the culture of the Sámi people.

Rent out a glass igloo to watch the Northern Lights like you live in the future.

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

This isolated island is often capped by its own fluffy cloud.

A symbol for the opposition to nuclear power around the world.

The greatest amusement park in the world is wall-to-wall farting dogs, puking rats, and cows with exposed breasts for the whole family.

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

Six beautiful wooden giants are hidden around Copenhagen.

The world's greatest slide descends 18 stories from this looping mountaintop viewing platform.

This former quarry is now a picturesque gorge that hides a sunken lake.

An Orwellian sculpture with eyeball cameras watches passersby.