A unique opportunity to stay the night in retrofitted sections of sewer pipe.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

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

The first museum in the world devoted to sexual gadgetry.

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

The world's smallest commercial theater is set up in what was once a urinal for Victorian men.

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

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

The oldest garden in Prague, once part of an medieval orchard.

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

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

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

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

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

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