The Sprint Cup stops at Bristol Motor Speedway this Saturday for the most exciting race of the year - the Sharpie 500 under the lights.  Some drivers have likened racing at Bristol to running around in a large concrete cereal bowl.  This venue produces some unbelievably tight racing and some amazing crashes.  Two of the most amazing - and a few other hair-raisers - can be found below.

Amazing Crash 1: Michael Waltrip 1990