One of the world's few mounted blue whales, its jaws are hinged open allowing visitors to descend into a lounge.

Forgotten German bunkers in China create a sharp cultural contrast.

This historic Chinese tower was said to have been haunted by fox spirits but is now haunted by a grisly murder.

This smaller cousin of the Forbidden City has gone from ancestral sacrifice to tourist's whispers.

This Chinese museum proves that it's a watermelon world, we're all just living in it.

The home where the first Premier of the People's Republic of China worked and lived.

A wall within the institution displays the names of 13,000 Jews who took refuge in the city during World War II.

A small gallery and shop dedicated to an ancient style of hand-printed textile.

An out-of-place slice of France, smack in the middle of Shanghai.

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

Named after a militant urban guerilla, this famous former squat is a graffiti-covered stronghold of leftist culture.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

This little museum is making sure that the art and history of the graffiti sticker is not scraped from history.

A 12th-century fortress containing some of Berlin's oldest buildings.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

Where once there was a train station bathroom, there is now this German burger joint.

Art and a pun, all in one.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

A surreal museum of extraordinary industrial objects.

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

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

An eerie, derelict amusement park in Berlin.