I Street Bridge is the heaviest swinging center bridge in the United States.

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

The largest drain hole in the world.

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

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Singing sand that stands as the final remains of an ancient lake.

The magic's in the hole!

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

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

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

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

The timepiece that exonerated a labor radical accused of a parade bombing that killed ten people.

9,000 square feet of vintage and modern mechanical toys, dioramas & sideshow curiosities.

The rusting remains of the largest assembled WWII fleet on the West Coast.

The fossilized remains of ancient California redwoods.

A trash dump made beautiful by nature's power.

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

An amazing collection of fantastic reptiles, amphibians, spiders, and insects.

A storybook European village in Berkeley.

Handmade treasures from around the world.

A shape-shifting buy-sell-trade bookstore, born to Beatnik Era spirit.

Experience a charming 1930's version of "infotainment."