Ryan Brutt, The Auto Archaeologist, finds a Midwest barn holding not one but several rare NASCAR aero cars — a Superbird, a Charger Daytona, a Charger 500, and a Cale Yarborough-linked Cyclone — all sitting in decades of dust and neglect. Nearly two million viewers have watched, and more than a few admit the Superbird alone brought them close to tears. These cars were built in the hundreds, not thousands. See what’s been hiding behind closed doors.