Europe's largest natural bridge has a 19th century royal chateau built into its side.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

Countless grotesque faces stare out from this eerie Prague art wall.

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

The Belgian royal family's private depot now stands abandoned and forgotten alongside the tracks.

Burial mound for the ears and noses of thousands of mutilated Korean soldiers.

A chilling monument to Korean patriots who resisted the Japanese occupation.

A Singapore shrine to an unnamed German girl who has become a local deity.

A Buddhist theme park brings you a Buddhist version of Hell.

This surprising museum tells the story of modern Malaysia through the history of its law enforcement.

History, geography, and shamanism meet in this eye-catching monument to the greatness of three empires.

One of the largest caverns in the world has a maw large enough to stack cathedrals in.

Malaysian fireflies create a dazzling display as thousands light up in unison.

Mysterious hillside with a continuously burning natural fire.

A shrine of fire worship built on top of a natural flame.

This striking icon of the disputed Republic of Artsakh caused a stir at a Eurovision Song Contest.

A quirky house created entirely out of glass bottles combines a collector's spirit with an artist's flair.

A unique museum dedicated to culture and artistry of carpet weaving.

Foreign invaders almost left this lovely Caucasus palace alone—almost.

What might be the largest completely Jewish town in the world outside of Israel now faces dwindling numbers and empty streets.

This mysterious but iconic tapered tower appears in many Azeri fairytales and legends.

A fountain standing as a testament to a doomed alliance.

An Art Nouveau gem hides beneath the layers of city grime obscuring this once-magnificent building.

The most metal church of all time was built in record time because of an international, pious pissing contest.