The Exploratorium is a museum of science, technology, and arts in San FranciscoCalifornia. Founded by physicist and educator Frank Oppenheimer in 1969 CE, the museum was originally located in the Palace of Fine Arts and was relocated in 2013 CE to Piers 15 and 17 on San Francisco's waterfront.

The museum has over 1,000 participatory exhibits and is divided into several galleries, mainly separated by content. Since its inception, the Exploratorium has expanded into other domains and has inspired an international network of participatory museums.