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

In 1830, cemetery workers in Cham unearthed a chamber housing thousands of skeletal remains from the 13th century, which can still be viewed today.

The mystery of the Putim Ossuary involves a tricorn hat.

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

An Austrian house of bones filled with hundreds of intricately painted skulls.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

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

This small museum is an eccentric shrine to boyhood in the 1960s.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

Part of a secret 1970s nuclear defense program is now open to the public.

The undercroft is a spectacular example of medieval Cistercian architecture.

A towering monument to war, located on a beautifully peaceful hill.

The world's tallest turtle riding the world's largest snowmobile.

Iceland's tribute to its thankless civil servants.

In the ruins of Glastonbury Abbey lies the alleged resting place of the legendary king.

The eerie ruins of a remote abandoned hamlet said to be founded by the survivors of a shipwreck.

The world's largest collection of garden gnomes lives among the trees and wildflowers on this woodland reserve.

This ruined medieval castle was the scene of Lord Robert Dudley’s seductive reception for Queen Elizabeth I.

This German version of Universal Studios holds a vault of treasures from the NeverEnding Story.

Shimmering sea-colored mosaics and Jesus statues cover this opulent building.

German and American troops joined forces to defend this fortress during the strangest battle of World War II.

Black cat statues guard this temple-like Egyptian revival factory.

Just a man taking his prehistoric pet for a stroll.

A forgotten Cold War relic hidden in the outskirts of a Wisconsin city.