While not Turkey's deepest underground city, this subterranean redoubt is the largest.

Topless shrine of northern Ghana.

An ocean in the making, in the Ethiopian desert.

An Ethiopian "Jerusalem" featuring a church hewn out of a single rock.

A store that sells all manner of bones, insects, and animal curiosities.

A monument to the art of slicing people open.

DIY collection of eclectic holdings.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

The exact whereabouts of this surreal cabinet of curiosities are rarely the same place twice.

A standing relief of a Norman knight whose posture marks him as a Crusader.

A 16th-century horror show built in a lovely Italian garden.

One of the first historical sites of an alternative universe was installed in the town of Paris, Illinois—which is now home to an annual spelling bee of Kcymaerxthaereal words.

Atop a small Armenian hilltop adorned with many forms, and carvings, these stones tell a whimsical tale from a fictional world.

Earth's rocky history has rarely glittered so brightly as it does in this Spanish museum.

A site outside Pedraza, Spain where a plaque tells a tale of seven-legged creatures that were said to have once lived in the area—in the fictional world of Kcymaerxthaere.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

Standing proud atop a Turkish bluff, this Ottoman palace has retained its grandeur despite being abandoned for centuries.

Hidden just under the waters around this Turkish island are the ruins of a once great city.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

A market for witches is hidden within a train station.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

This quaint archive of the silent era preserves and pays homage to a seminal moment in film history.

This famous archeological mystery may be an ancient example of movable type.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.