A UFO scrapyard in the California desert.

One man handcrafts "the best sake made outside of Japan" in a tiny desert town on Route 66.

One man's vast collection of artifacts and ephemera from matchbooks and postcards to vintage neon signs and cars.

Most famous work of one of Frank Lloyd Wright's sons.

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

This collector's home is a constant work in progress.

A Cold War site complete with rusty structures, hiking trails, and beautiful views.

Inside this clubhouse is a cinephile's paradise.

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

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

This stunning sea creature-shaped home blends into the landscape like a fantasy villa.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

This little blue house pokes out over the campus of UC San Diego, seven stories high.

One man's quest for the ultimate road trip vehicle.

While you're unlikely to find riches here these days, this remote mine is a time capsule of the Gold Rush era.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

Small museum packed with artifacts recovered by the man rumored to be the real-life inspiration for Indiana Jones.

Hidden in one of the skyscrapers on Bunker Hill, this museum features an 1895 stagecoach and peers into California’s gold-lined history.

This hands-on math museum believes in turning concepts into constructs.

A cake-themed art installation tucked away in historic Chinatown.

A fashion designer's dazzling world of Japanese collectibles is hidden in a warehouse downtown.

This 1920s masterpiece of French Quarter architecture hides a secret tunnel used by Albert Einstein.

Working mining and drilling equipment demonstrate 150 years of energy history.