A giant, bloody battle rages throughout the Bolivian Andes each year.

This devil-dancing ceremony now celebrates a miraculous image of the Virgin Mary that appeared to a modern-day Robin Hood in a mineshaft.

Mountain of unimaginable riches that bankrolled the Spanish Empire, complete with its own underworld god.

Museum dedicated to the sacred leaf of the Andes.

Granny Smiths and Fujis can both be traced back to Kazakhstan, where apples still grow wild.

These 40,000-year-old stenciled hands are older than the famous cave art in France and Spain.

Extravagant mosque honors modern Islam.

This French cemetery houses some of the most exquisite examples of funerary art in Mexico City.

On a cornerstone of the City Museum is the head of a monstrous serpent stolen from an Aztec pyramid 400 years ago.

Japan's hottest hot spring has a memorable name.

The world’s first hotel to be run by robots.

Bioluminescent firefly squid light up this Japanese fishing port.

The original burial place of this preeminent 18th-century Jewish philosopher was razed by the Nazis.

At one of Berlin’s oldest churches, visitors can place mosaic tiles to help restore a medieval mural.

Antique frame collection with 2,400 frames.

The site of good faith and good nature in the fictional world of Kcymaerxthaere.

One of the world's heaviest musical instruments towers within a popular urban park.

The final resting place of many of Germany's most famous communists.

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

Floating swimming pool within a moored vessel.

A 12th-century fortress containing some of Berlin's oldest buildings.

A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.