Museum of Science and History
My husband and I made the mistake of buying a family pass for a year when our son was only eight months old and then discovered he wasn't really interested. Right before our pass expired we went back and he LOVED it. There is so much to see and do that he fell in love with it. Some of the areas, like the dinasour area, isn't great, but a two year old doesn't know the difference... He was just excited there are dinasours.