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

Museum dedicated to the terror regimes of Hungary.

This statue of a falling man commemorates a teenage martyr of the Hungarian Revolution.

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

Central Europe's largest collection of mini-bottles is on display at this museum devoted to a bitter Hungarian liquor.

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

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

Sitting beneath an unremarkable residential building is a museum devoted to classic Pinball.

The mark of the Devil's horns on a marble column in Milan.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

Before there were doorbells this bronze ear was installed for visitors to announce their arrival.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

A miniature train-ride through Slovenia's largest cave system.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

This one-time health resort was used by aristocrats around the world.

The "dragon babies" of southeastern Europe.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

This abandoned Slovenian military barracks has become a punky-political art squat.

A whimsical bridge adorned with decorative dragons.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

100 year tradition of fist fights, marked by marble footsteps.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

During World War II, this rice mill became a Nazi concentration camp.

Twisted buildings adorn the banks of the Rhine river.