This massive monument towers over the city as a constant reminder of the lives lost during Algeria's hard-won war for independence.

The world's most remote airport.

In the Middle Ages, villagers would sound this stone trumpet to boost fertility and coax fish to shore.

This large round boulder is said to emit spiritual power, but it may just be magnets.

The largest stone moai on Rapa Nui.

This was once the center of the Birdman cult, and is now a World Heritage Site.

A dead saint, a deadly poison, and a mysterious holy ooze.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

Southern Italy's spinning top village.

An Italian hillside ghost town.

The most famous location in China was home to whole dynasties worth of imperial rulers.

Skulls and skeletons are omnipresent in this church dedicated to souls trapped in purgatory.