A must-do when you're visiting Dallas is to cheer on one of the home teams. Ranger games are a lot of fun, especially on fireworks nights. Bring the family! The all you can eat pavillion is cool, but the Lexus club level is better.
Hole in the wall catfish spot that's really, really good if you make it a point to not pay attention to the fact that it's not exactly clean in there. The crawfish come by the bag full and they're not stingy.