Are you going to a game at Texas Stadium? If not, there's really no reason to look at it, haha
There are several areas of Dallas (and the rest of the metroplex) that you can visit. It just depends on your age/taste.
http://wikitravel.org/en/Dallas
http://wikitravel.org/en/Fort_Worth
http://wikitravel.org/en/Dallas-Fort_Worth_Metroplex
And I agree with Blondie. Gloria's is great.