One of my favourite roads is US212 on the Wyoming-Montana border. At 10,947 feet it is above the tree line and has views that take your breath away. Well that and the elevation.
Pick the wrong weekend and you'll be passing an endless parade of slow, poorly navigated cruisers. Oh, and the occasional nut behind the wheel of truck. for instance:
[image: tough pass1]
[image: tough pass2]
Or check the video: http://www.vfrdiscussion.com/forum/index.php/topic/72441-beartooth-pass-video/