I was too optimistic to think we could explore the Exploratorium in three hours. We didn't because you need at least a good six hours since the museum, which is meant for the entire family, is a surprise you don't expect it to be. Wherever you looked, there were exciting exhibits you wished to see. The kids ran around like they had eaten a bag of sugar: the temptation to try every little thing was greater than common sense. When you believed you had seen everything, there was another hall and then one more. From the impact of sound on humans to physics, tornados, plants, and germs on our skin, this place takes you on a journey that every family should embark on. Fascinating and stunning.