When the public was consulted about a new piece of street art, they naturally asked for an enormous metal dragon.

Berlin's beloved bear is immortalized at the Museum für Naturkunde.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A slice of central Asia in the middle of Berlin.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

Abandoned railway line circling the city of Paris.

France's most famous cemetery, with some of its most curious tombs.

From Iggy Pop to David Bowie to Nick Cave, this regal music studio has served some of the all time greats.

This bar and museum are devoted to the controversial comic book work of Kája Saudek.

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

Hidden just under the waters around this Turkish island are the ruins of a once great city.

Erotic art covers the walls of the largest ancient pleasure palace.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Stalactites and stalagmites in a beautifully lit cave.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

Macabre astrological automaton clock dating to the late 1400s.

Eighty million natural history specimens call this gargantuan museum home.

A naturally mummified 2,000-year-old man.

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

This cubist Vienna church building looks like some sort of alien stonehenge.

As can be expected from a centuries-old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

Venice's island of the dead.