This Vietnamese hell cave lets visitors take a walk through a devilish underworld full of demons.

Fall down the rabbit hole into a surreal journey of human consciousness "from ass to soul."

This classic restaurant features a gorgeous mirror-clad room.

This micro-nation may be some sort of prank, but its constitution sure seems official.

A curious art park at the geographic center of Europe is home to 3,000 television sets and other wonders.

An old department store turned Nazi prison turned artist commune.

The most visited, and possibly most controversial, museum in Germany.

Abandoned medieval hill town.

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

This entire town moved to a safe location after it was devastated by an earthquake, but the remains of the original town are still around.

An Italian hillside ghost town.

Medieval town turned hippie commune, once home to the secret foreskin of Jesus Christ.