Pi DayCelebrate Pi Day at its birthplace! This irrational and transcendent holiday was founded in 1988 at the Exploratorium, and has since grown into an international phenomenon. Join in our annual procession around the Pi Shrine, enjoy slices of delicious pie, and think beyond circles and spheres with surprising exhibits about ...
Where: San FranciscoCost: Free with admission
Thursday, 03/19/26
After Dark: LightscapesCome closer, look deeper, and refresh your senses with activities and artworks on light and shadow.
Where: San FranciscoCost: $22.95 General, Free for members
