(Somewhat to my astonishment -- I indulged in the pecan pie for dessert after having had the Catfish Belle Chasse -- my blood sugar was perfectly normal (102) one hour later. Yet this afternoon, a small Subway BMT sandwich sent the blood sugar soaring up to 174.)
They've been able to visit some of the nice places in California I've never had a chance to visit, and I've lived here all my life, such as Hearst Castle. On the other hand, I have visited somewhat out-of-the-way California landmarks such as Lassen Volcanic National Park (I've climbed the volcano, albeit thirty years ago) and the Bristlecone Pine Forest (I've stood within 100 meters of the oldest living thing on earth, but I don't know exactly where it is because the actual identity of the Methuselah Tree is a secret so that nobody tries to cut it down).
I love Worldcon, but I work so hard at it that I rarely get time for a relaxed meal with friends. That's one reason I go to SMOFCon as well.