This rusting remnant of the local herring industry is being given a second life.

The Icelandic Sea Monster Museum explores the area's history of aquatic cryptid sightings.

The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

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

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

An old asylum graveyard that's been abandoned for half a century attracts those seeking a dark thrill.

This automated sculpture of two men peeing will spell out text messages with their micturition.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Countless grotesque faces stare out from this eerie Prague art wall.

The hidden lair of an alchemist rediscovered in a 2002 flood.

Walk through Czech history in Prague's largest graveyard.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

A Jenga-style cylindrical tower of books that appears to go on forever.

The severed head of a 17th-century Irish martyr lies within an intricate golden shrine.

Walk through a restaurant's refrigerator door to reach this hidden bar.

The largest underground lake in Europe.

For centuries no one knew there were hundreds of bones and precious artwork hidden beneath this Swiss church.

Museum dedicated to wax representations of disfiguring diseases.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

The lengthy skeleton of one of the tallest Spaniards of all time is on display in Madrid.

More than 450 years ago, an Italian nun became the first woman to paint the iconic subject.

Legend says this mysterious stone head belongs to a woman who was petrified by an alchemist.