Monument to a suicide protesting the Soviet invasion.

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

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

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

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

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

The first museum in the world devoted to sexual gadgetry.

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

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

An ornate plague column – built to celebrate life – claimed the lives of numerous artisans during its construction.

Tiny communists hammer away on the Olomouc Astronomical Clock.

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

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

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

A cheeky architectural easter egg.

Mummified monks and the accidentally interred, in a 17th-century crypt.

Europe's second largest ossuary wasn't discovered until 2001.

Electrical curiosity museum housed in an old transformer station.

Museum dedicated to the terror regimes of Hungary.

Legions of Roman soldiers bathed in this ancient spa complex under a Budapest transit station.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.