A museum in the childhood house of a medical pioneer.

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

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

Possibly the world's largest hourglass only needs to be reset every New Year's Eve.

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

Budapest's Communist-era statues, banished to the suburbs.

The "feral child" who appeared in Bavaria in the 19th century remains as much a mystery as his unsolved murder.

A preserved Nazi labor camp now has a Holocaust museum on site and memorials to the thousands that died while imprisoned at the camp.

This extremely narrow tenement boasts a maximum occupancy of just two.

When a medieval fire claimed the original St. Stephen’s Cathedral, it sparked a pattern of unquenchable organ building.

The largest ice cave in the world is thought to be the entrance to hell according to Austrian legend.

Each year melting snow turns these Austrian hiking trails into scuba zones.

The beautiful baroque library of the Hapsburg empire.