For those that mentioned driving fast cars:
http://www.americanracingacademy.com/
I'm not sure I'd recommend racing in the heat of the Vegas summer, though.
There's also a high-performance motorcycle school in Vegas:
http://www.fastfreddie.com/html/overview.htm
You can also drive a NASCAR vehicle on the oval:
http://www.1800bepetty.com/experienc....aspx?LocID=LV