In California, colorful roadside signs remind us all that love transcends borders.

California's most comprehensive horticultural library.

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

Frank Lloyd Wright died a year before construction on his largest public project even began.

I Street Bridge is the heaviest swinging center bridge in the United States.

The set location for a 1987 cult classic draws international film buffs to the middle of the Mojave Desert.

A strange mishmash of ruins and abandoned structures hint at the park's many lives.

A 19th-century cabin built into a hollowed-out Sequoia tree.

An expansive book store, art gallery, and curio shop with wares ranging from tarot cards to novelty socks.

A Tibetan Temple and Buddhist organization just off the beaten path in Northern California.

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

Catch a glimpse of the elusive Peninsular bighorns right off of the desert freeway.

Each winter this underground cave forms a dazzling ice palace.

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

Though the original building has been demolished, these massive bronze doors were saved.

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

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

A natural dome made of volcanic glass in Inyo National Forest.

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

This little valley along Highway 1 is engulfed by thousands of lilies during the spring season.

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

A modest reminder of treacherous waters at the Golden Gate.

A 1920s speakeasy that had rum runners racing up and down the shores of California.

An iconic location along the Los Angeles River where countless movie scenes are filmed.