According to the Economist via Forbes. Unsure of the date or methodology.

1. Mesa, AZ
2. Oklahoma City, OK (silver medal for Dan, Dan The Transportation Man)
3. Virginia Beach, VA
4. Colorado Springs, CO
5. Jacksonville, FL
6. Arlington, TX
7. Anaheim, CA
8. Omaha, NB
9. Tulsa, OK
10. Aurora, CO

Certainly, we could find several smaller towns that are even more conservative than these to recommend to our international visitor. According to another list a Google search produced, our friend could just throw a dart at a map of Texas.