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

The remains of a ruined mansion memorialize the 1906 earthquake.

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.

Home to one of the world’s largest collections of model yachts.

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

A miniature view of the park, caught in time.

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

Standing in for the first ship to navigate the Northwest Passage.

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

The United States' first transcontinental automobile road came to its end at this spot in San Francisco's Lincoln Park.

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

A 300-ship graveyard, with a few still visible at low tide.

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

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

A hidden gem, named after a San Franciscan icon, offers spectacular views of the Pacific Ocean.

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

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

The fossilized remains of ancient California redwoods.

A huge work of Burning Man-inspired outsider art on the grounds of a California winery.

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

Pillars made of 700 pieces of luggage climb to the ceiling of Sacramento Airport's baggage claim.

This 15-story mural celebrates the 50th anniversary of the musician's iconic "At Folsom Prison" album.

I Street Bridge is the heaviest swinging center bridge in the United States.