Faceless white figures loom over the city from the rooftop.

Longtime headquarters of controversial boys' club for the world's wealthiest and most powerful.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

This eatery transports diners to a place that no longer exists: East Germany.

An essential stop before plundering, BYO Cutlass.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

An art collective teaching the more fiery, metal-y art forms.

This Oakland fairytale kingdom, fiercely devoted to childlike whimsy, was an early inspiration for Disneyland.

Bonsai garden in Oakland is curated by the first non-Japanese female bonsai master in the United States.

International delicatessen has been owned and operated by the same family for more than 110 years.

A 140-year-old castle with underground caves hidden in San Francisco.

A large instrument played by the wind.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

A trail weaves through the verses of a poem illustrated by stone sculptures inspired by Native American pictographs.

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

A sudden forest of traditional Papua New Guinean art works is hidden in a corner of Stanford University.

Hidden among the multi-million dollar mansions in the Santa Cruz hills is a sanctuary for troubled birds.

An ominous concrete cube cuts a dystopian silhouette atop this California mountain.

Neoclassical Revival mansion and set of horror cult classic Phantasm.