Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Go surfing on this urban wave, "hacked" by local surfers.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

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

The unsettling remnants of a torn down movie set lies nearby the ruined location of the actual Płaszów Labor Camp.

The beautiful baroque library of the Hapsburg empire.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

Baroque celebration of the end of the Great Plague of Vienna.

Handsomely crafted representations of our round planet.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

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

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