Rising out of miles of farmland, these buttes are sometimes called the world's smallest mountain range.

Concrete strongholds stand guard over the Golden Gate.

A pair of pure white felines guard the entrance to a spot of California real estate established as an artist's haven.

The Internet Age began with a transmission from this biker bar.

A former hardware store near Yerba Buena is the official home of California's history.

A humble garage, world-famous for being the epicenter of a technology revolution.

A massive volcanic plug is now a protected area that hosts a number of bird species.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

More than 700 species live within this murky marvel of a swamp on California's coast.

Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

A classically inspired temple in Redwood City.

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

From the Difference Engine to the Cray-1, all under one roof.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

An alley covered with 20 years of bubble gum.

It's not your typical library, memorial, or book store.

Four hundred granite steps were built into this massive rock by the National Park Service.

It should come as no surprise that the world's largest artichoke lies in the town that calls itself the "Artichoke Center of the World."

Recovered from the brink of extinction, at home in the Financial District.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

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

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.