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The Exploratorium is a museum of science, art, and human perception located in San Francisco, California. We believe that following your curiosity and asking questions can lead to amazing moments of discovery, learning, and awareness, and can increase confidence in your ability to understand how the world works.

Free Days Information

Groundhog Day (Sunday, February 1, 2015)

Pi Day (Saturday, March 14, 2015)

Mother’s Day (Sunday, May 10, 2015)

Engineering Day (Sunday, September 27, 2015)

Founder’s Day (Sunday, October 11, 2015)

Winter HoliDay (Sunday, December 6, 2015)

On free days, museum entry is on a first-come, first-served basis.



Tel: (415) 528-4444

Hours of Operation

Tuesday through Sunday: 10 a.m. to 5 p.m.


Adults (18–64)  $29  

Seniors,People with disabilities,Teachers,Students,Youth (13-17)  $24  

Youth (4-12)  $19

Upcoming Free Days

Free all day
  • December 2015: 06