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

A nuclear bunker built to shelter the politicians and important people of Scotland in case of nuclear attack.

Notorious artist squat renovated into legal studios.

This massive library holds what was once the largest book collection in the world.

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

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

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

A taste of the macabre Tokyo's ritzy shopping district.

Tubing through a cave lit with glowworms is a magical underground experience.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.