Floating man-made island and upscale restaurant.

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

The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.

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

A modern mechanical planetary system, part of a 10,000 year clock.

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

The only visible piece of San Francisco's most famous shipwreck.

Join the circus for a few lessons to learn clowning, acrobatics, and Chinese contortion.

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

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

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

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

San Francisco’s century-old Christmas Tree.

A Barbary Coast watering hole built into a Gold Rush shipwreck.

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

Gold Rush ship-turned-hotel buried underneath San Francisco's financial district.

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

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

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

A brooding mansion of clinker brick stands out among the Victorian houses of Pacific Heights.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

An overlooked and unassuming engineering marvel.

The miraculous hydrant that saved the Mission District in 1906.

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