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.

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

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

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

Faceless white figures loom over the city from the rooftop.

Only hotel where you can legally launder money.

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

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.

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

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

Shoot for par over the bodies of the dead on this cemetery-cum-golf course.

This teeny-tiny park built by a San Francisco man in 1962 is mostly stairs.

The largest whiskey stash on the West Coast survived the 1906 fires--but not without heroic effort.

An art supply shop holds the secrets of this quiet neighborhood's raucous Barbary Coast past.

Wander down a side street dedicated to one of the members of the Beat Generation.

San Francisco's newly reopened hands-on science museum.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

The oldest alley in San Francisco is paved with a reminder of the city's original shoreline.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.