These once-beautiful historic graveyards are set against the barren Virginia City hills.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.

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

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

The remains of a ruined mansion memorialize the 1906 earthquake.

Once the site of speeding horses, now home to picnickers and public concerts.

A monumental cross hides in the trees in Golden Gate Park.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

A famous alternative culture epicenter and where Joplin serenaded young hippies.

This turn of the century masterpiece has a mysterious goaty interloper.

Approximately 250,000 people left homeless by the great earthquake and fires found shelter in Golden Gate Park.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

Perfect your fly fishing technique on their practice ponds.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

Depicting scenes of everyday life - and specific individuals - in Great Depression era San Francisco.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

A miniature view of the park, caught in time.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

A winding path built in secret on the edge of the continent.

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

Concrete strongholds stand guard over the Golden Gate.