Ming Dynasty necropolis raided during the Cultural Revolution.

Two ancient Buddhist temples crown this dramatic rocky pinnacle.

An collection of Chinese propaganda posters from 1949 to 1979.

This short pedestrian span is also known as the "Fairy Walking Bridge" because it looks almost magical.

The latest in a series of long glass bridges suspended at terrifying heights.

Not one, not two, but three natural bridges remain in this captivating spot post-sinkhole.

270 million year-old forest of stone.

This psychedelic tourist trap is a leisurely descent into madness.

For those with no fear of heights: a skywalk 4,700 feet up on a Chinese mountain.

The world's longest outdoor escalator takes visitors to the top of China's largest dam and is also shaped like a dragon.

Intensely colorful calcite pools in Southern China.

A total of 999 stairs lead visitors through a massive hole in a mountain known as the Gateway to Heaven.

This abandoned fishing settlement may well be the greenest village in the world.

A part of the world's largest marsh seems to be growing bright red Martian grass.

At nearly 1,000 feet long, this astonishing glass suspension bridge is one of the longest in the world.

This vertical pinnacle in China was the inspiration for the floating mountains in the movie “Avatar.”

A psychedelic labyrinth on the San Francisco bay.

Local lore claims this park is named after a young woman who jumped off a cliff.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

Series of storm drains connected to a dark urban legend.

This brick-lined pedestrian walkway was once a railway tunnel used during the Civil War.

The romance of early commercial flight still fills this Art Deco destination.

This sprawling museum holds one man's giant collection of real tanks.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.