The abandoned personal amusement park of the King of Pop.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

The site of murders and Satanic cult gatherings.

This massive redwood tree has a hole in the base big enough to drive through.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

An inconspicuous footbridge beloved by San Diego locals.

Abandoned bridge hidden deep in the San Gabriel Mountains.

The remains of a ruined mansion memorialize the 1906 earthquake.

A meditative space out of a fantasy story.

Most famous work of one of Frank Lloyd Wright's sons.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

Canyon walls shrouded in ferns.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Quite simply the largest tree in the world (by volume).

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Panorama exhibition hall in old silent theater with a beautiful backyard garden.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

A strange house built only at night, with rumored mystic inspiration.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.