The last of a gourmet supermarket chain, this store helped spark California's Food Revolution.

A 1920s home transformed into an immersive art experience, where every room is a portal to another realm.

Experience the glam side of air travel without leaving the ground at this speakeasy.

A porcelain company's former dumping ground, completely covered in pieces of collectible ceramics.

At the base of the Golden Gate Bridge, a small sign basically begs for a high-five.

Dentist's hated concrete colossi are now beloved icons of the community.

Concrete strongholds stand guard over the Golden Gate.

The original place where water met land in the City by the Bay is outlined in brass.

A unique piece of graffiti offers a little slice of local history and mystery.

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

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

This tall and trim architectural oddity is one of the skinniest buildings in San Francisco.

A huge collection of rocks, gems, and crystals.

This antique shop specializes in the history of print and design.

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

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

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

The beauty and the beast of hydraulic mining is on full display at this California Historic State Park.

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

Each winter this underground cave forms a dazzling ice palace.

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

A stranded woman lived alone on this remote island for 18 years, inspiring the great children's novel "Island of the Blue Dolphins."

The former Naval shipyard is open for exploring - mostly.

The classic Atari game's iconic aliens have invaded downtown San Diego.