A golden temple atop a sacred mountain, known for its giant effigy of the revered Pu Xian.

Are these prehistoric metal pipes evidence of alien plumbers? Nope, but they are amazing nonetheless.

The western-most fortress on the Great Wall of China has gone from a strategic stronghold to a kitschy tourist carnival.

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

Walled family complexes in Southern China.

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

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

Ming Dynasty necropolis raided during the Cultural Revolution.

A harrowing trail up a mile-high mountain.

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

Intensely colorful calcite pools in Southern China.

A fifth-century temple improbably built into the side of a cliff.

European castle ruins in an American state park are actually the product of death and grief.

The hidden jewel of Disneyland: a members only playground for the Disney elite.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

Abandoned bridge hidden deep in the San Gabriel Mountains.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

A hand-built folk art installation covered with messages of God's love.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

Spiral labyrinth hidden in the hills above Oakland, CA.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

A winding path built in secret on the edge of the continent.

A 140-year-old castle with underground caves hidden in San Francisco.