NASCAR! This thoroughly American racing organization is huge in the United States -- and has a lot of international gearhead fans, as well. However, as Ben, Noel and Max discover in today's episode, this multibillion-dollar industry has a fascinating, ridiculous, and criminal past. That's right, fellow historians: NASCAR only exists because of Prohibition. As some of Appalachia's greatest booze smugglers realized people would pay just to watch their motoring skills at work, a network of criminal syndicates evolved into a full-on, massively popular sport.