The worst track town in America is without question Oregon raceway park. That shit is in the middle of nowhere. Like really. The Dalles is the biggest city to speak of in any direction, and there isn't shit there either. It may as well be on the moon if you break down and need parts.
When you go to Nevada to drive those cars (assuming they have street legal cars) after playing on the race track go drive out through red rock canyon. The scenic loop is a beautiful road that's pretty fun to drive. I know that several of the exotic car rental places run around out there when they go on group drives.