According to this article you can rent a room at the MGM in Vegas and get a 2008 Porsche Cayenne to go off-roading in. To be honest, no one is going to off road that SUV, they might drive it up and down the strip and pretend it’s theirs... But I doubt few of them will ever see dirt.

Porsche, MGM in Vegas "Inspired Escapes"
http://www.thecarconnection.com/Auto_News/Daily_Auto_News/Porsche_MGM_in_Vegas_Inspired_Escapes.S173.A12287.html