The highest peak in mainland Spain is said to be the final resting place of a Muslim king.

One Austrian's singular yard is now preserved as a folk art garden of concrete wonders.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

This historic London residence was once the womb of Scientology.

In a grove of fast growing walnut trees outside Paris, Illinois, a marker shares the story of a fictional road building culture.

A Scottish manor with a history of mysterious fires, magic, and eccentric tales

Where Aleister Crowley attempted to seize the Hermetic Order of the Golden Dawn in a mask and a kilt.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

Before there were doorbells this bronze ear was installed for visitors to announce their arrival.

A 605-page Quran penned in the blood of a dictator is locked away in a mosque.

"Bite or Smite" became the unlikely mascot of a Tampa suburb.

One of the bloodiest and most important battles in Japanese history is recreated with kitschy concrete statues.

An artificial hill and apparent calendric structure built in the Early Middle Ages immortalizes a legendary Polish princess.

Rotting dome home spotted near Chapel Hill, North Carolina.

This otherworldly church spire reaches up toward the heavens.

The remnants of a depressing public toilet are now a hub of ever evolving street art.

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

One of the oldest log cabins in America is one of the last of its kind this historic Swedish dwelling remains a piece of living history.

This ancient burial site is believed to be one of the first earthquake-protected structures in the world.

The legendary birthplace of the Japanese maneki-neko is dotted with hundreds of lucky beckoning cats.

Bringing back the art of handmade custom coffins.