A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

One time home to turn of the century explosives, now hidden under the Bay Bridge.

This hidden fire lookout offers spectacular views of Sequoia National Park.

Built by one man in the '20s, this site is now a museum representing the Great Basin cultures.

Of all the origin stories for weed's secret code, this one likely has the goods.

This graffiti-covered bridge is the quintessential vision of a place for disillusioned youth to escape the complexities of burgeoning adulthood.

A mesmerizing disco ball-like sculpture along the Sacramento River Walk.

The remains of a deserted steamboat sit rusting beside an old ferry pier and an abandoned train platform.

An off-grid art installation that encourages its visitors to imagine a world without waste.

Home of what was the largest hydraulic mine in the world, producing gold and the first diamonds in the U.S.

A living museum dedicated to the legendary woodworker and his soulful furniture.

The so-called "Bridge of Thighs" in Palm Springs allows nudists to discreetly cross the road.

Wheels of chrome by the thousands adorn this California Historical Landmark.

More than 700 species live within this murky marvel of a swamp on California's coast.

This Southern Californian Conservation Center is home to singing and howling apes.

A lighthouse built to save lives that took quite a few with its treacherous location.

These lush groves of fan palms rise up like oases out of southern California's Colorado Desert.

The best place in the park to test out your throwing arm.

Location of the most powerful laser in the world, and the potential birthplace of tiny stars.

An abandoned boat that's been stranded mysteriously for decades.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

Hidden beneath a lake for decades, this brutalist mine has now emerged from beneath the receding waters.

A remote desert lookout offers unparalleled views of the California badlands for those who brave the trek.

A massive volcanic plug is now a protected area that hosts a number of bird species.