A 22-million-year-old sandstone cave is a natural habitat for award-winning cheese.

The risqué mixed-media sculptures are supposedly a metaphor for Czech politics.

Walk through Czech history in Prague's largest graveyard.

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

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

These Victorian era devil sculptures were designed to spite a local vicar.

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.

This 19th-century pub features stained-glass windows celebrating Victorian-era "champions."

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

Classic game cookery takes center stage at what's widely considered London's oldest restaurant.

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

Thirty creepy ghosts now inhabit this decaying 14th-century church.

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

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

One of the famous Czech artist's lesser-known Prague installations appears to be a glowing fetus affixed to a drainpipe.

A former squatter's paradise outside Prague.

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

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

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

Two stunning 17th-century libraries and a cabinet of curiosities.

For this chef, an active volcano is his oven.

Eat like pre-Columbian Native Americans in this New Mexico restaurant within the Indian Pueblo Cultural Center.

A restaurant on Staten Island showcases a different grandmother’s cooking every night.