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

Adolph Sutro's little-known, geographically inaccurate, deprecated monument.

A modest reminder of treacherous waters at the Golden Gate.

A museum befitting the city responsible for supplying the majority of the world's LSD.

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

An essential stop before plundering, BYO Cutlass.

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

A famous alternative culture epicenter and where Joplin serenaded young hippies.

This print shop boasts one of the largest pinball arcades in San Francisco.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

An overlooked and unassuming engineering marvel.

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

This one-block alleyway is stuffed with street art that is colorful, cultural, and intensely political.

Odd stone and concrete monuments in the "Poet of the Sierras" eclectic folly garden.

Where the polar bear watches over everything, and every drink is a double.

The former Naval shipyard is open for exploring - mostly.

Guns that have been defending San Francisco since 1904.

The restored and active Victorian-era final resting place of San Francisco.

This eatery transports diners to a place that no longer exists: East Germany.

This surreptitious shop is only open five hours per week.

The remains of a deserted steamboat sit rusting beside an old ferry pier and an abandoned train platform.

Playable, historic pinball machines fill this Alameda museum.

This 19th-century church is now a popular roller rink.

An invitation-only museum of items natural and bizarre, arcane and exotic.