The show's fictional Korean medical camp was created in the Santa Monica hills.

Secret US military film studio in the Hollywood Hills.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

The rusting remains of the largest assembled WWII fleet on the West Coast.

Another of California's unused Cold War missile defense complexes has become a graffiti gallery.

Where there's quartz, there must be gold. Thus is the story of the mines of Julian, and the titillating times of the Gold Rush.

Nuclear waste dump site now an environmental sanctuary.

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

A world-class observatory in the California desert.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

One of the last free public hot springs is decorated with hippie art.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

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

A 300-ship graveyard, with a few still visible at low tide.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

The final resting place of a space program monolith.

Abandoned bridge hidden deep in the San Gabriel Mountains.

The largest drain hole in the world.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

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

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.