The California Academy of Sciences is a science museum—and scientific and educational institution—located in San Francisco's Golden Gate Park.

The California Academy of Sciences is open every day of the year—and you can explore it all with a single ticket. See our hours, ticket prices, free days, and more. Use our Plan-Ahead Pricing calendar to lock in the lowest ticket price when buying at least one day in advance.

Your Academy adventure starts here! Bundle Academy admission with 3 more top SF attractions and save 46% with San Francisco CityPASS®. Visit for free all year long by becoming a member. Discounted admission is available at the ticket window for EBT/CalFresh, WIC, Lifeline Pass, and Medi-Cal cardholders

The California Academy of Sciences is a research institute and natural history museum in San Francisco, California, that is among the largest museums of natural history in the world, housing over 46 million specimens. [3]

From free field trips for all San Francisco students to $3 admission for EBT/CalFresh, WIC, Medi-Cal, and Lifeline Pass cardholders, we're proud to open our doors to open more minds. Savings year-round

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The Academy is open 365 days a year! See what's on the day of your visit, or plan ahead. Unless otherwise noted, all events and programs below are included with admission.

Your Academy adventure starts here. See what's on, get transportation tips, and browse know-before-you-go info.

From deep sea to deep space, your Academy ticket is your passport to science adventures. Explore our exhibits, public programs, events, and more. Please note: Osher Rainforest will be closed for maintenance Jan. 14–16.

The California Academy of Sciences is a 501(c)(3) nonprofit organization. Our mission is to regenerate the natural world through science, learning, and collaboration.