It's believed these prehistoric individuals were the victims of cannibalism.

The atmospheric ruins of a historic church can be found on a hill above the city of Oviedo.

A fascinating assortment of cave dwellings, medieval ruins, and sarcophagi are being devoured by the forest.

Gladiators once walked this ancient, subterranean passage.

An abandoned 6th-century monastery features a medieval map of the known world.

An impressive home made of stone, carved more than a century ago.

The internet as provided by a James Bond villain.

An explosion of natural color known as "the river that ran away from paradise."

Mysterious Spanish catacombs of unknown origins.

Approximately 300 million years ago, a massive coral reef existed in what is now the largest limestone cave in Japan.

Once an impressive link to Afghanistan’s Buddhist past, now a sad reminder of intolerance towards other cultures.

This spiritual landmark for practicers of Shamanism is drenched in milk and vodka and covered in blue scarves.

Ancient site of Mongolian Shamanism located near a road leading out of Ulaanbaatar.

Five mile wide circular ring of rock in the Russian Far East is a curious geological oddity.

The "Gateway to the Arctic" connects Barrow's indigenous population with the sea and its traditional industry: whaling.

Massive mounds of golden sand look like a desert landscape randomly plopped in an Arctic forest.

Blending modern art with Baroque architecture, this wondrous mosaic grotto serves as the late artist's final creation.