[link|http://www.caller2.com/visitors/|CC's Visitors Guide]

[link|http://www.texasstateaquarium.org|Texas State Aquarium] - haven't been, but heard it's nice.

[link|http://www.usslexington.com/|USS Lexington] is beached near downtown and has been turned into a musem. You can go through a lot of the ship, check out some planes, and such. My nephew greatly enjoyed this a few years ago.