A snapshot of the city's fascinating voodoo culture.

Underground monastery and fortress.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

Two waterfalls flow down the cliff faces decorated with rare natural basalt columns.

Northern Ireland's Brobdingnagian stepping stones.

Walk through depictions of the torture inflicted on those who go to Buddhist hell.

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

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

One believer transformed a local curiosity into proof of Vikings on the Great Plains.

An ancient Viking village in North America that predates Columbus by 500 years.

Home to three historic ships from the age of Vikings.

A battle between nature and architecture in the Cambodian jungle.

The ruins of an ancient island city built atop a coral reef in the South Pacific are spectacular and strange enough to have inspired H.P. Lovecraft.

A small town Romanian cemetery filled with darkly humorous gravestones.

The site of many battles and tragedies, including the 40 maidens who leapt into the sea.

Structure built from the skulls of vanquished foes.

Every equinox this Maya pyramid puts on a spooky ancient light show.

These azure waters were thought to lead to the Mayan Underworld.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

The headless bodies of more than 1,300 guillotined victims of the Reign of Terror are buried here in mass graves.