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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 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.
World-changing science. We’re an aquarium, planetarium, rainforest, and natural history museum in the heart of San Francisco’s Golden Gate Park—and a powerful voice for biodiversity research and exploration, environmental education, and sustainability across the globe.
Your Academy adventure starts here! Save an average of $3+ per ticket when you buy 3+ days in advance. 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.
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.
From deep sea to deep space, your Academy ticket is your passport to science adventures. Explore our exhibits, public programs, events, and more.
Visit the only place on Earth with an aquarium, planetarium, rainforest, and natural history museum—all under one living roof. Embark on epic science adventures from the heart of Golden Gate Park!
World-class science should be available to everyone. 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.
The Academy's Steinhart Aquarium is home to 1,000+ unique animal species, cutting-edge interactive exhibits, and the world's largest living indoor coral reef. Come face-to-fin with nearly 60,000 animals—from deep-sea oddities to Claude, our alligator with albinism.
Experience the cosmos from the Academy's all-digital, 75-foot planetarium dome. Reservations required.
