The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

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

A pixel art killer whale is frozen mid-leap in this Vancouver square.

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

The most visited, and possibly most controversial, museum in Germany.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

The ghost town where the villagers refuse to leave.

This beautifully designed star-shaped fort was the premier defense system of the late 1500s.

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

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

France's most famous cemetery, with some of its most curious tombs.

Famously misunderstood wonder of the ancient world

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

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

A 'living museum' in Leiden, the oldest of its kind in the Netherlands.

A miniature city, once ruled by the Queen of the Netherlands.

A little sculpture with a large wardrobe.

100 year tradition of fist fights, marked by marble footsteps.

A safe place for the wild donkeys of a hot vacation destination.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The very center of Paris is surrounded by a bevy of strange good luck rituals.