San Francisco's first World's Fair, dedicated to the wonders of California.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

A unique market that brings together various goods and cultures.

A quiet nook at the top of a little-known hilltop park named after California's first poet laureate.

Despite being a perfectly pleasant place to be, Loyalton can't seem to attract any visitors.

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

A shining, cold, black organ lies in San Francisco's financial district.

The former Naval shipyard is open for exploring - mostly.

This tall and trim architectural oddity is one of the skinniest buildings in San Francisco.

Where the polar bear watches over everything, and every drink is a double.

A pier that used to act as a busy ferry dock is now a decaying favorite of local fisherman and urban artists.

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

George Lucas donated this park to honor the birthplace of his two biggest movie franchises.

This giant head is all that remains of a once proud statue that survived an earthquake but not a fall off of a wagon.

This whimsical seashell-shaped place of worship was designed to blend into its surroundings.

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

A natural dome made of volcanic glass in Inyo National Forest.

A charming desert roadside bakery that produces 10 times more bread daily than it has residents in its town.

The decor of this Hollywood movie palace just barely predated the opening of King Tut's tomb.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

The Empire Mine is "one of the oldest, largest, deepest, longest and richest gold mines in California."

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

Antiques by the Bay.

Here, visitors can swing with the waves of the Pacific Ocean.