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

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

This artificial cave looks like something out of a fairytale.

A saintly relic hidden in a Prague church basement.

A mocking tribute to the past and modern leadership of Prague.

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

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

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

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

Walk through Czech history in Prague's largest graveyard.

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

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

The first museum in the world devoted to sexual gadgetry.

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

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

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

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

Macabre astrological automaton clock dating to the late 1400s.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

This entire town moved to a safe location after it was devastated by an earthquake, but the remains of the original town are still around.

The glowing blue Nymphaeum of Emperor Tiberius.

The Emperor Tiberius' palace of debauchery.

Stone Age solar temple is aligned with the sun on each equinox and solstice.