Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

A museum filled with tiny, adorable versions of the mighty Royal Danish Navy.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

Copenhagen's celebrated theme park and gardens.

Danish observation tower designed to look like a giant beer bottle.

This Denmark theme park is part family attraction, part experimental archaeology project.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

Crosses of all shapes, sizes and colors litter the mountain, the site of a huge yearly Orthodox pilgrimage.

Once known throughout Europe, this tiny and unusually progressive 18th century micro-nation within Lithuania now lies in ruins.

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

A subterranean Holocaust refuge within one of the world's longest cave systems.

A striking Soviet memorial commemorates the liberation of Belarus from the Nazis.

One of the largest remaining ancient burial mounds of the 10th century.

Sculpture that doubles as a time capsule so that life can survive radiation outside Chernobyl.

This attraction was abandoned after the Chornobyl disaster.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

The deepest metro station in the world.

An Art Nouveau building covered in animal gargoyles and grotesques.

Submerged busts of communist and socialist figures from the USSR.