The night visit to the California Academy of Sciences was something different from the usual visit to the museum. The crowd was obviously more interested in the drinks, but opening up the museum beyond the usual working hours meant that you get most of the day to do other interesting things in SF before going to visit this museum. The museum is huge, very different from other natural history museum. Definitely worth a visit.
Interesting night - I recommend going when it opens, as we went late and didn't have much time to explore and try the different drinks at different stations. More exhibits could have been open, but the event seemed popular enough it was sold out when we arrived.
amazing place and V.I.P. trip well worth the extra cost.