A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

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 crucified and bearded female saint.

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

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

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

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

A saintly relic hidden in a Prague church basement.

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

Macabre astrological automaton clock dating to the late 1400s.

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

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

This unattributed sculpture in Amsterdam is hiding in plain sight.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

Cat art as far as the eye can see.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

A curious collection dedicated to human and animal anatomy and pathology.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.