Suggestions

Sorry to have taken so long! I hope you're enjoying your trip thus far. Here are a few suggestions. If you decide you want to come through Oklahoma, I can suggest other things too. This was just what immediately came to mind-

Oklahoma:
Roman Nose State Park - you can rent a teepee for only 27.50 a night! The park is beautiful, as well. Just outside of Watonga, Oklahoma.

If you're around Roman Nose you can then head over to the Glass Mountains and Gloss Mountains State Park - a bunch of orange mesas good for hiking. You could camp, or there is a nice winery and inn nearby, Indian Creek Village Winery and Inn. Between Cleo Springs and Ringwood.

Oklahoma City - you are welcome to crash on my pullout couch for a night. There's plenty to do, great bars and food, festivals, art, music, etc. I work during the days but can whip up a map of things for you to do.

The longest portion of Route 66 goes straight through Oklahoma. I've heard it's a really neat road trip to take. Plus, you can stop at POPS 66 in Arcadia which has, bar none, the best ice cream floats and chicken strips you will ever have. http://www.pops66.com/

Tulsa is lovely. Andrew is there. He and his wife had coffee w/ me when I came through town about amonth ago. They have a nice aquarium, great art museum, lovely shopping, OK food (I love OKC more than Tulsa, and there has always been a rivalry between the two).

Also neat, near OKC - the Toy and Action Figure Museum in Pauls Valley. http://www.actionfiguremuseum.com/

Missouri:
Hermann - just off of I-70, a really cute little town with an excellent winery (Hermanhoff Vineyards). I visited Germany my junior year of college and went to vineyards on the Mosel river - this winery in Hermann is also on a river, is German in origin, and was the first winery I'd been to in the midwest that seemed authentic. There is a nice bed and breakfast in the town and a fun bar, but it is small. You can also camp in the town - which I did when I went.

Fulton - The Winston Churchill Memorial Museum. If you are a history buff, this museum is awesome. I went to undergrad here, at Westminster College, which is where ol' Winston gave his Iron Curtain Speech. But, many people really aren't into that sort of thing.

St. Louis - TOUR BUDWEISER! Go to a Cards game! Two things I've never done and would be oh-so-jealous if you did. There is also a lot more to do in STL which I can readily suggest, just let me know if you're considering going.