Walk through living pictures and music in the Cathedral of Images.

Sleep in a climate-controlled plastic bubble for the night.

A formerly opulent Italian village is now a crumbling ghost town that no one really knows what to do with.

Five candy-colored villages on the Italian Riviera.

Massive galleon from a box-office bomb docked in Genoa.

The bomb-ravaged remains of of a colossal Neptune.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

The remains of 40,000 humans, meticulously stacked in a tiny churchyard shed.

Now an entertainment complex, the Lingotto building was once an avant-garde auto factory with a test track on the roof.

Catacombs turned marketplace.

A boutique perfumery fashioned to look like a Victorian-era shop.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

London's smallest police station is barely the size of a phone booth.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Go inside to really appreciate this 500-year-old technological masterpiece.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

This ghost town in Belgium will lose its street art when it ceases to exist.

Located in the thermoelectric factory that once powered the entire city, this Portuguese museum is shockingly fascinating.

Built by crowdsourcing, this wooden foot bridge saved a part of Rotterdam that was languishing in wait of city funding.

Rotterdammers' dirty minds gave this Santa a dirty nickname and cursed it to a life of wandering.