Concrete strongholds stand guard over the Golden Gate.

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

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.

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.

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

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

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

The remains of a ruined mansion memorialize the 1906 earthquake.

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

Golden Gate Park's historic collection of plants.

San Francisco’s condensed garden of incredible plant growth.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

The oldest lawn bowling club in the United States.

San Francisco’s century-old Christmas Tree.

An overlooked and unassuming engineering marvel.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

An essential stop before plundering, BYO Cutlass.

Collective dedicated to restoring steam engines.

One of few lasting examples of the brief octagon craze that developed into folly.

A mysterious painting of the self-declared Emperor of the United States watches over a local hof-brau.

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

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