For 75 years, NASCAR has been providing compelling competition and electrifying spectacle to generations of fans. Over those seven decades the cars have evolved, tracks have come and gone, and the sport has spread far from its original geographic boundaries, but the engine driving NASCAR is as loud and powerful as ever. So, ice off the cooler, fire up the grill and, in the words of three-time NASCAR champion turned broadcaster Darrell Waltrip, "Boogity, boogity, boogity, let's go racin', boys!" And girls. Heck, let's go racin', everyone!