Masks and vaccinations are recommended. Plan your visit

Your imagination misses you.

Explore science, art, and curiosity wherever you are.

Welcome to your online hub for discovery and delight. Choose your path to live events, kitchen science, tinkering projects, fascinating films, and all the “museum at home” you’ve been craving—it’s all free. Stay safe, start here, and keep exploring!

Upcoming Events

Daytime Member & Donor Hours

Every Sunday,* 10:00 a.m.–noon

Every Sunday morning, our Daytime members, donors and Corporate Members enjoy exclusive access to the Exploratorium. Let your curiosity roam free through hundreds of exhibits in six spacious indoor and outdoor galleries.

Middle Ground

Wednesday, June 15–Saturday, December 31, 2022

Dive into Middle Ground, a free, outdoor exhibition about how we think, feel, and behave in relation to other people. Explore more than a dozen interactive social science exhibits!

Positive of a plate taken with the 5-foot Einstein camera at the 1922 eclipse in Wallal, Australia. The circles indicate the locations of the stars on the plate measured to test the “Einstein effect.” © UC Regents/UCSC Special Collections.

Einstein Was Right

Friday, September 23–Monday, January 2, 2023

One hundred years ago, Lick Observatory played a critical role in testing one of Einstein’s greatest and most beautiful theories—general relativity. This exhibition tells the story of this scientific quest.

Painting of a skull and heart for Dia de los Muertos.

Festival of Altars

Friday, November 11–Sunday, December 4, 2022

Connect with beautiful ofrendas (altars) from this year’s Día de los Muertos celebrations at this temporary exhibition created in partnership with the Marigold Project.