Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

Towering basalt columns, a creation of fire and ice.

It's not your typical library, memorial, or book store.

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

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

Ancient human, animal, and geometric figures drawn in the earth.

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

A mysterious and endangered parasitic herb from the California desert.

Factory that once supported an entire company town of 350.

The location of the last stand of Charles Manson's doomsday cult.

The abandoned personal amusement park of the King of Pop.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

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

The ghost town that ended up on Ebay.

360-degree virtual reality chamber physically immerses scientists into their data.

This impressive tunnel was dug entirely by hand over the course of 36 years.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.

The only thing stranger than stumbling onto these philosophical musings is the story of the homesteader who created them.

Located on 420 acres in the high desert, this spiritual center is dedicated to the "science of the future."

Along a California highway is a kind of Jurassic Park made of metal.

Lucha Libre (Mexican Wrestling) themed taco shop.

A Biblically-based Natural History Museum.

Hundreds of trees made from glass bottles make up this forest on Route 66.