A sacred collection of indigenous rock art.

For decades, it has disappeared and reappeared as water levels rise and fall.

Burping, gurgling geothermal mud pots by the Salton Sea.

This sun-scorched lakebed contains samples of half the natural elements known to humankind.

These four islands right offshore have waterfalls, colorful lights, fancy buildings, and a secret purpose.

Machinery left over from California's once thriving mercury industry now attracts artists and explorers.

For roadside fast food, pull over at the giant orange.

The exterior of this home was used for the hit television show, The Brady Bunch.

A 1950s Googie burger stand is now a Los Angeles landmark.

Four hundred granite steps were built into this massive rock by the National Park Service.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

The rest of him lived another 61 years and was buried elsewhere.

The Empire Mine is "one of the oldest, largest, deepest, longest and richest gold mines in California."

The peaceful gravesite of a rugged wild west gunman echoes the touching story of his last days.

The Route 66 institution that inspired Taco Bell also served as an important headquarters for Mexican-American social movements.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

This restaurant offers the original California cuisine.

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

Huge otherworldly domed rocks on the shore of a deadly lake.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

Oldest building in California still in use.

Abandoned anti-ballistic missile base.

A cobblestone alley with an interesting past.