A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

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

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

Bohemian paradise covered in majestic forests.

A museum of alchemy and a basement laboratory all housed in an ancient building in a Gothic tower.

A church of bones, decorated with 40,000 human skeletons.

Fifty years of contamination in Scotland's waters.

The remains of a grand castle that may have inspired Bram Stoker's Dracula.

These fantastically named natural pools look like something out of a Scottish myth.

On Japan's Tashirojima Island, cats are king.

A mysterious pre-Incan ruin believed to have miraculous healing powers.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

These delicate ruins need more tourists to keep them from fading away.

Staves, storm-calling, and of course, necropants.

St. Mary's Asylum was isolated and abandoned before being converted into a Bed and Breakfast.

Built to hold the worst of the worst of the Nazi war prisoners.

Mystic Incan rock piles three miles above sea level.

Massive rock sculptures formed during the time of the dinosaurs still stand undisturbed.

A swing to dangle you off the very edge.

This red lake 4,000 meters above sea level is home to rare flamingos.

Pre-Incan aqueduct amidst a stone forest in Peru.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

A remarkable geological formation resembling a forest made of stone.

Nazca pilgrimage site covering 370 acres is a popular stop for archeologists and looters.