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

Created in 1972, the famous sculptor's intricately detailed monument to San Francisco is overflowing with city landmarks.

The sole surviving relic of the San Francisco neighborhood cobbled together from old horsecars and streetcars.

George Lucas donated this park to honor the birthplace of his two biggest movie franchises.

Anyone can control this glittery light installation with just a phone call.

A giant chess set, minus the psychedelic drug trip.

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

The oldest lighthouse on America's west coast no longer needs keepers, yet they maintain the site anyhow.

This remarkably simple jail went over a century without an escape.

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

A remote crossroads honoring a fallen talent.

A water tower shaped like a giant coffee pot looms over a small Swedish village in Central California.

This massive statue of John Muir on the side of a California highway was carved from a redwood tree.

The Zalud family experienced a number of tragedies in one decade, giving rise to rumors that the 19th century house is haunted.

An Italian restaurant became a rock-and-roll hangout and the lair of the "Hollywood vampires."

An ode to the friendship between four Pacific Rim countries.

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

This historic tower in the California desert promises visitors a "vortex of good vibes".

Since World War II people have been decorating this stretch of the Yuma desert with signatures arranged out of rocks.

A bust of the entertainer and politician sits in an alcove at the Palm Springs Airport.

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

An artist's vision for connectivity spans seven continents and 16 countries.

Perhaps the most unique of any Frank Gehry design for one simple reason: Gehry himself actually lives here.

One of corporate America's best-kept secrets is also one of the most publicly displayed.