The California Academy of Sciences History The California Academy of Sciences' history dates back to 1853! Learn about the changes our San Francisco science museum has seen over the years
Steinhart Aquarium - California Academy of Sciences From the canopy of our butterfly-filled, four-story rainforest to the bioluminescent depths of the little-known "twilight zone," explore the world's most vibrant, vital ecosystems from the heart of San Francisco Steinhart Aquarium is one of the most biologically diverse and interactive aquariums on Earth