The haunting ruins of Jack London's dream house.

This abandoned boat was left in place thanks to its rotting beauty.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

Frank Lloyd Wright died a year before construction on his largest public project even began.

A living time capsule of the 1960s Richardson Bay water-front.

A working model of the entire San Francisco Bay and much of the Sacramento River Delta, complete with regular tides that change every 14 minutes.

Concrete strongholds stand guard over the Golden Gate.

Internationally-recognized arts center housed in a century-old former military barracks.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Where the alchemists dream of transmuting base metal into gold was actually achieved.

A massive ultra-modern church presents a science-fiction view of Catholicism's inclusive future.

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

It is locally loved and ridiculed for literally looking like poop.

The headquarters of a secretive order is also a beautifully-designed park.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

The most beautiful Taco Bell in the world even has surfboard parking.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

A pair of mutilated bronze octopuses slump at the base of the monument honoring California's admission to the U.S.

The last used bookstore in Downtown San Francisco is one of the smallest bookstores just about anywhere.

Faceless white figures loom over the city from the rooftop.

Only hotel where you can legally launder money.

The second building of its name to occupy this location might be the finest flatiron building in San Francisco.

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