An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

A masterpiece in Golden Gate Park by virtue of the artist’s debt.

Art in the form of a winding, man made crack in stone.

The legendary statue-hating superintendent of Golden Gate Park is honored with... a statue.

At the base of the Golden Gate Bridge, a small sign basically begs for a high-five.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

Inside this museum, the history of the Walt Disney Family empire is on full display.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

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

A collection of 20th-century automata, penny arcade games, and musical contraptions.

The only visible piece of San Francisco's most famous shipwreck.

This massive redwood tree has stood in Northern California for nearly 2,000 years.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

An enchanting tunnel of cypress trees leads to an old morse code station still used today.

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

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

Concrete strongholds stand guard over the Golden Gate.

Thousands of crosses and markers for soldiers who lost their lives in Iraq and Afghanistan blanket a California hillside.

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

A 90-acre park on former landfill that hosts an annual kite festival.

A porcelain company's former dumping ground, completely covered in pieces of collectible ceramics.

Where a staggering 747 ships were constructed during World War II.

The remains of a deserted steamboat sit rusting beside an old ferry pier and an abandoned train platform.