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

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 man-made island in scenic San Francisco Bay.

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

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

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

An artsy hidden staircase leads to breathtaking views of San Francisco.

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

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

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

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

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

A collection of memorabilia from the Beat era in the back of a San Francisco bookstore.

Faceless white figures loom over the city from the rooftop.

In this century-old literary safehouse, print is alive and well.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

Early prototype for Frank Lloyd Wright's Guggenheim.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

The miraculous hydrant that saved the Mission District in 1906.