This historic California cemetery holds the bodies of veterans of both the Civil War and the Donner Party.

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

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

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

Gold Rush ship-turned-hotel buried underneath San Francisco's financial district.

Nuclear waste dump site now an environmental sanctuary.

The world's largest wooden trestle stretches across this desert canyon in Anza-Borrego Desert State Park.

Where NASA's satellites and rovers phone home.

The Los Angeles flood disaster that took 400 lives and ended the career of William Mulholland.

A tree grown from astronaut seeds which were exposed to cosmic rays.

A ring of creosote bushes that are estimated to be 11,700 years old.

Secret US military film studio in the Hollywood Hills.

This partially buried wreck is one of the most complete of its kind but is only revealed when the sea allows.

Oldest building in California still in use.

'Cause the fence start shaking, the earth was quaking.

This old mining town, deep in the California desert, has a year-round population of one.

A classically inspired temple in Redwood City.

A Roman-inspired temple once controlled half of San Francisco's waters.

Rusty industrial city full of oxidized distillation towers.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

Law-protected wreckage serves as a peculiar memorial for an almost forgotten World War II tragedy.

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.