Fake rail crossings mark the site of an influential doctor's demise.

Steinbeck's old stomping grounds, immortalized in Cannery Row.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

Monumental sculptures of Patrick Amiot, constructed from debris, detritus, and determination.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

Home to the "Circus" trees created by Axel Erlandson.

Discover for yourself what Herb Caen referred to as "the best kept secret in the Bay Area."

A sparse, solitary sequoia still stands as a living tribute to the famous conservationist who planted it—but it's dying.

A modest reminder of treacherous waters at the Golden Gate.

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

An "anarchical" no man's land, complete with garbage sculptures and a hobo-run "Landfillian Library."

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

A store that sells all manner of bones, insects, and animal curiosities.

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

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

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

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

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

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

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

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

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

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

A century and a half of research in the sciences and natural history, still going strong.