A Netherlands hotel where you can sleep inside a wine barrel.

Notorious artist squat renovated into legal studios.

How did a French journalist’s grave become the sexiest statue in the cemetery?

This one-time health resort was used by aristocrats around the world.

Micro-nation based around a nine-story high illegally built tower.

The house that took a plunge into the facade of a museum.

Each year melting snow turns these Austrian hiking trails into scuba zones.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

Visitors dip into a variety of pools of what was once ice.

The largest ice cave in the world is thought to be the entrance to hell according to Austrian legend.

Strange secondhand shop showcasing taxidermy and oddies

Medical history with an amazing, if frighting, collection of wax diseases on display.

One of the deepest indoor swimming pools in the world.

Theme park featuring miniature replicas of European monuments.

The Devil’s own choice when he needs a drink in Brussels.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

The world's only museum devoted to the wonders of fluorescence.

“And the Lord said unto Johan, build for thee an ark for the end of the world is approaching.”

The fairy tale castle of the "fairy-tale king."

A curious collection dedicated to human and animal anatomy and pathology.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

Two stunning 17th-century libraries and a cabinet of curiosities.

Microscopic scenes; some call it novelty, some call it art.