This 11th-century Greek monastery has renowned mosaics and relics of a brutal past.

An ambiguous ambience emanates from this centuries old leprosy quarantine.

Two churches shoot bottle rockets at each others' bell towers in an unusual Easter celebration.

Two innocuous monuments found in separate locations attempt to unite a city.

One of only three fountains created by the iconic architect Friedensreich Hundertwasser.

Israel's first dedicated natural history museum is home to 5 million specimens and still growing.

A modern-day cabinet of curiosities housed in a 300-year-old inn.

Through a collection of modern bric-a-brac this museum tells the story of the Jewish people from Biblical times to today.

As the Dead Sea continues to deplete, massive sinkholes open along its banks.

This nightmarish children's plaything was left grotesque to help kids conquer their fear.

Two awe-inspiring globes from the reign of the Sun King hang from the ceiling of France's national library.

Stroll through retro Paris while shopping for old postcards and discarded doll heads.

The mystery of the Putim Ossuary involves a tricorn hat.

The soulless eyes of 82 bronze children stare on forever in remembrance of a horrifying World War II massacre.

These 17th-century mummies are no longer naturally preserved, but remain on display today.

Mysterious painted skulls in Moravia.

A spiral staircase twists to the top of this unusual Czech lookout tower.

Mummified monks and the accidentally interred, in a 17th-century crypt.

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

Thirty creepy ghosts now inhabit this decaying 14th-century church.

Two monstrous faces loom over a village in Czechia.

Europe's second largest ossuary wasn't discovered until 2001.

Underneath this small church are 15,000 bones, arranged by an obsessive academic.

Collection of antique taxidermy and natural specimens, near one of Paris's oldest flea markets.