An old California photo stand has been turned into a shrine to the cozy art of crochet.

The quirky salon doubles as a retro museum run by the world's leading "hairstorian."

Eons old volcanic activity created one of the most stunning rock formations in the United States.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

A look into the Church of Scientology's deeply unfavorable view of psychiatry.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

Tiki luxury on Nob Hill.

A hotel and restaurant serving as the mecca of kitsch.

A psychedelic labyrinth on the San Francisco bay.

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

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.

Every weekend, the parking lot of this Buddhist temple turns into a Thai street-food paradise.

This ultra-modern home clings to the slope of the Hollywood Hills on a precarious stilt.

A mysterious, abandoned building rotting on the Brooklyn waterfront.

Where there's quartz, there must be gold. Thus is the story of the mines of Julian, and the titillating times of the Gold Rush.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

The ruins of the castle that chemicals built.

Time travel with sweets across history at this research-based candy store.

This vintage car parts store is also a museum devoted to a squat little gem of automotive history.

Abandoned hotel with adjacent lake and golf course.

This impressive tunnel was dug entirely by hand over the course of 36 years.

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

This Funeral Hearse Museum represents the finest in cadaver transportation.