What do you do when you want to drive cars that aren't fit for the open road? You take them to closed ones. This is how Jay Leno found himself in the middle of the California desert at the Hyundai Proving Grounds – a blistering 72 mile stretch of "punishing roads", where non-street legal vehicles go to test their mettle.
Leno's been to many proving grounds before, but he considers the Hyundai one to be extra special. These remote testing areas usually consist of a high-speed roads, a road with cobblestones and any kind of bad surface that you can encounter. Some roads are even designed to literally shake the car apart. Drive those at your own risk.