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

Cool down and fill up after visiting Teotihuacán at this bar and restaurant in a deep, underground cave.

The worst flood disaster in Welsh history might have been a lot worse if it had not happened on movie night.

The highest waterfall in Italy is only "turned on" five times a year.

The sinister ruins of one of the worst dam failures of the 20th century lie in this astonishing alpine setting.

The former home of the world-famous Templeton Carpet Factory.

The medieval center of the Islamic world was also once the seat of Saladin's sultanate.

The tiny, studious rodents greet visitors to the National Archives of Finland.

A subterranean house of worship carved right out of the bedrock.

One of England's most famous churches hides a pair of little known architectural treasures.

The deserted pirate-themed restaurant still entices explorers.

Sweden's oldest street has not changed for nearly a millennium.

This historic national park is covered in the stunning ruins of red rock pueblos.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

This cluster of little wooden huts once ground local farmers’ wheat into flour during the days of the Austro-Hungarian Empire.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.

Starship-temple contains 400 tons of drinking water and offers free Japanese lessons.

On a picturesque lake island, a massive, “broken” crucifixion has become a popular pilgrimage destination.

A remarkable lava formation encloses a line of Buddhist statues that can't be accurately counted, according to local mythology.

A petite castle folly in the English countryside.

This aluminum “stairway to heaven” has impaled at least a couple of birds.

The ruins of a medieval monastery named after a type of tree.

What was once England's second-richest abbey is now a haunting ruin.