This Parisian fountain is a little bit fantasy and a little bit nightclub.

This Parisian café sticks almost exclusively to an ethos of reuse.

This museum houses an imposing skeleton army comprised of creatures great and small.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A haunting collection of the vanished and disappearing natural world.

Abandoned railway line circling the city of Paris.

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

Explore the complex ecology of this multifaceted nature preserve by riverboat.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

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

Cold war icon and onetime "hole" in the iron curtain.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

An eerie, derelict amusement park in Berlin.

Berlin's old airport.

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

Started as a kitchen garden, now the second largest botanical garden in the world.

A traditional U-Bahn station in Berlin gets a string of rather untraditional benches.

A century-old shot ball factory tower is open to the public once a year.