The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The world's largest bamboo labyrinth is a living demonstration of the plant’s immense potential.

The bones of some 7,000 soldiers killed in the historic Battle of Solferino are stored here.

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

This centuries-old Italian chapel hangs midway down a sheer cliffside.

A temple to modernity, tucked away amid Barcelona's more well known museums.

Turntable anonymously received orphans, alms, and groceries.

Week-long block party becomes a competition for the best decorated street.

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

Mountain where Jesus was first tempted by the Devil.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

A beautiful but toxic fountain of mercury.

This semi-secret storybook hedge maze is also the oldest garden in the city.

A bus with a butt and biceps to put Olympic athletes to shame.

An existential riddle in the world's largest ancient castle.

A crucified and bearded female saint.

This bar and museum are devoted to the controversial comic book work of Kája Saudek.

What looks like a crashed Zeppelin is actually a bright, airy reading room perched atop a modern museum.

This charming wooden church was disassembled and moved not once but twice before settling in this Prague garden.

Microscopic scenes; some call it novelty, some call it art.

An Orwellian sculpture with eyeball cameras watches passersby.

A saintly relic hidden in a Prague church basement.

This artificial cave looks like something out of a fairytale.

An eerie, existential museum dedicated to the author of "The Metamorphosis."