A fake Transylvanian castle houses a cathedral of antlers.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

The house that took a plunge into the facade of a museum.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

The beautiful baroque library of the Hapsburg empire.

Shimmering sea-colored mosaics and Jesus statues cover this opulent building.

This riverside restaurant has been serving customers since 1146.

A whimsical art tower at a Bavarian brewery includes a grotto for its mythical beer-brewing dwarves.

This lurid German fountain plots the sad course of marriage from dating to death.

The rusted creatures wait to be discovered in Prague's botanical garden.

This artificial cave looks like something out of a fairytale.

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

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

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

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

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