In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

The world's largest wooden structure.

The final resting place of the great navigator, or maybe his brother.

An ancient Egyptian temple in the middle of Madrid, Spain.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Named after a militant urban guerilla, this famous former squat is a graffiti-covered stronghold of leftist culture.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Climb inside an iron crystal magnified 165 billion times its normal size.

The world's longest known cave system.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.