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

This working replica of the 'Friends' coffee shop is more accurate to the show than the set itself.

Why walk on this historical site when you can zoom down instead?

The most famous location in China was home to whole dynasties worth of imperial rulers.

The once highest point in China blends symbolic design with a kick of adrenaline.

A prestigious learning institute of old Shanghai.

This psychedelic tourist trap is a leisurely descent into madness.

A son-and-daughter meat market, hawked by mom and dad.