Hidden above a drug store on a nondescript corner of Lincoln Heights is a private clubhouse for intrepid explorers.

This traditional garden in the San Fernando Valley doubled for Star Fleet Academy, and is irrigated entirely by wastewater.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

From pre-war whiskey cocktails to prohibition-era speakeasy secrecy, this bar has seen it all.

Acres of natural wonders left behind by a socialite-turned-gardener.

The abandoned personal amusement park of the King of Pop.

An eclectic trailer park retreat in the middle of the California desert.

San Francisco Bay's ghost town.

Travelers exchange letters with woodland creatures at this mini post office.

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

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

An essential stop before plundering, BYO Cutlass.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

One man's homage to the sun continues to grow like a glass fractal.

The legendary building that needed ghostly approval before being built.