Every day is a good day to visit the California Academy of Sciences. In addition to more than 20 active exhibits, each day there's a wide range of activities, shows, events, and tours.
The Academy is open every day of the year.
For Grades K-2: the difference between day and night, what can be seen in the night sky, and how they move.
School Groups Only
Do you have what it takes to be a butterfly? Learn some "pro tips" for success from a butterfly's point of view.
Step back in time to meet paleontologists of the 19th century as they share fossils and stories of the past.
Elevator to Aquarium
Academy membership opens up your world. Join, renew, or give the gift of membership today.
Join or renew by October 31, 2017, and receive free general admission ticket(s)!*
Go San Francisco Card
Save up to 55% on admission to the Academy and 25 other San Francisco attractions.
*Special Offer Details
Purchase or renew your Academy membership by October 31, 2017, and receive up to three complimentary general admission tickets to the California Academy of Sciences. Offer available for Individual, Individual Plus, Community Value and Senior levels (1 ticket), Family and Family Plus levels (2 tickets), and Associate level (3 tickets). Complimentary tickets are valid for one year from date of purchase of new or renewing membership and have no cash value. Offer is not retroactive and may not be combined with other offers. Offer not valid for Explorers, Friends, or other donor levels, gift voucher redemptions, or employees and partners of the California Academy of Sciences.