California Academy of Sciences
Tickets & Visitor Guide to San Francisco's Four-in-One Science Museum
⏱ 3-4 hours👤 All ages$$$
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The California Academy of Sciences sits in Golden Gate Park, directly across the music concourse from the de Young Museum, and packs an extraordinary range of experiences under a single, architecturally celebrated roof. The Renzo Piano-designed building, reopened in 2008, is famous for its 2.5-acre "living roof" — a rolling, hill-shaped green roof planted with native California species — and its commitment to sustainability.
Inside are four major attractions in one. The Steinhart Aquarium houses thousands of marine animals, including a coral reef tank and a swamp with an alligator. The Morrison Planetarium is one of the largest all-digital planetariums in the world, with immersive shows on space and the natural world. The Osher Rainforest is a four-story glass dome you spiral up through a living tropical forest full of free-flying birds and butterflies, descending into the aquarium below. And the Kimball Natural History Museum covers everything from an African Hall of dioramas to earthquakes and evolution.
It's deeply hands-on and engaging across ages, which makes it one of the country's best family museums, though there's plenty to absorb adults. Allow at least half a day; planetarium shows are timed, so plan around them. It can be busy on weekends and rainy days — weekday mornings are calmest. Its Golden Gate Park location pairs naturally with the de Young, the Japanese Tea Garden, and the park's gardens.
What to Expect
Format
Self-paced, with timed planetarium shows. Aquarium, planetarium, rainforest dome, and natural history museum all under one roof in Golden Gate Park.
Best Time
Weekday mornings are calmest; weekends and rainy days are busiest. Plan around the timed planetarium show schedule.
Duration
3-4 hours for a full visit.
Tips
Reserve or grab planetarium show times early, as they fill. Do the rainforest dome and aquarium before the crowds peak. It's in Golden Gate Park, so pair it with the de Young Museum across the concourse and the Japanese Tea Garden. Parking is limited — transit or rideshare is easier.
⚡ Quick Picks
Best For
Families and the science-curious — the four-in-one format is unmatched.
Families
One of the best family museums in the country. The rainforest, aquarium, alligator, and planetarium span all ages.
Couples
Surprisingly absorbing for adults, especially the planetarium and rainforest; quieter on weekday mornings.
Pair With
The de Young Museum, the Japanese Tea Garden, and Golden Gate Park's gardens are all steps away.
Time Needed
Half a day.
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Get Tickets →Frequently Asked Questions
What's inside the California Academy of Sciences?
Four attractions in one building: the Steinhart Aquarium, the Morrison Planetarium, the four-story Osher Rainforest dome, and the Kimball Natural History Museum — all under a famous "living roof."
Is it good for kids?
Exceptionally — it's one of the best family science museums in the country, with hands-on exhibits, animals, and immersive experiences for all ages.
What's the "living roof"?
A 2.5-acre green roof planted with native California species, part of the building's celebrated sustainable design by architect Renzo Piano. It rolls in hills that echo the surrounding park.
Do I need to plan around the planetarium?
Yes — planetarium shows are timed and popular, so check the schedule and reserve a show time early in your visit.
Where is it and how do I get there?
In Golden Gate Park, across the music concourse from the de Young Museum. Parking is limited; transit or rideshare is easiest. Pair it with the de Young and the Japanese Tea Garden.
More San Francisco Attractions
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de Young Museum
San Francisco's fine arts museum in Golden Gate Park — strong American, African, and Oceanic art and major touring exhibitions, in a striking copper-clad building with a free observation tower.
Golden Gate Park
San Francisco's vast green heart — larger than New York's Central Park — with the Japanese Tea Garden, the Conservatory of Flowers, botanical gardens, lakes, bison, and the city's top museums, all free to wander.
Exploratorium
The original hands-on science museum, on Pier 15 along the Embarcadero — hundreds of interactive exhibits about perception, light, sound, and the physical world, with sweeping bay views from the pier.