An optical illusion found amid a logged redwood forest.

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

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

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.

Cows on a ranch are commonplace, scattered cow bones everywhere? Not so much.

This mountaintop beacon is only lit three times a year but shines like some kind of all-seeing eye.

Concrete strongholds stand guard over the Golden Gate.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

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

Etched into a dry lake bed, this massive directional indicator is accurate without magnets.

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

A dry lake is what remains of a community founded on a real estate scam.

The "Kill Bill Church" was transformed into a place of worship after a long Hollywood history.

These colossal desert barcodes have been fine-tuning spy satellites for decades.

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

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

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

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.

Salt is slowly eating away this abandoned saltworks town in the desert.

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

Everything you always wanted to know about borates is here.

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

Thousands of turbines whir at the origin of North American wind power.