I STILL need to go to that, but I hear it is fantastic.
Also, Union Station is across the street, a former train depot (actually I think a corner of it is still used for Amtrack), it is an amazing relic of old school grand architecture, and there is also a really cool Science City inside as well.
And of course, BBQ. Most seem to love Oklahoma Joes, but having Oklahoma in your name is sacrilege IMHO. Gates and Arthur Bryants are the two old school chains. If you like sweeter sauces, Arthur Bryants is for you.
ETA - Prairie Fire Museum is wroth driving by at least if you can.
