It was a wee bit of a haul from our airport hotel room, but it was an opportunity to field trip for free as part of our ASTE membership. We took the free hotel shuttle to the airport. We then rode the BART to Montgomery station with my new full-price round trip tix and the kids' Sunday discounted tix. THEN we took the 30 Stockton bus to the end of its path. We saw things that we'd seen on Sunday during the bus trip IE. Union Square, Chinatown, Pier 39 and Hyde St Pier. But then we walked two blocks to see the Exploratorium. I was thrilled to have seen my children experience this place, a landmark to remember. Yes, that is a cow's eye dissection. And when you turn around from the last landscape picture, you are next to the water that is just entered under the Golden Gate Bridge with container ships included.