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

Walk through Czech history in Prague's largest graveyard.

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

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

Mysterious painted skulls in Moravia.

The mystery of the Putim Ossuary involves a tricorn hat.

Underneath this small church are 15,000 bones, arranged by an obsessive academic.

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

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

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

A church of bones, decorated with 40,000 human skeletons.

Oriental bazaar in the heart of Sarajevo.

The haunting ruins of a military fortress turned astronomical observatory sit on a Sarajevo mountaintop.

Bridge that died in war and was resurected.

This cluster of little wooden huts once ground local farmers’ wheat into flour during the days of the Austro-Hungarian Empire.

A Serbian church lit by chandeliers made of weapons.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

This quaint Hungarian railway system is operated exclusively by children between the ages of 10 and 14.

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

A Hungarian pharmacy museum with a box full of mummy powder.

A museum in the childhood house of a medical pioneer.

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

A wunderkammer of mysterious objects and stories.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.