Grab a rental and go visit the Hill Country, or go visit the space center in Houston, SA doesn't have much to offer I'm afraid, unless you're looking at the Riverwalk as a source of entertainment.
already sounds better than last year when we had to deal with hippies in downtown portland...now that was a boring [censored] place to be...Eat TexMex and drink Lone Star.
That would pretty much cover everything else to do there.