Stop in Bowling Green, KY on your return trip, and pick up a new Chevrolet C7 Corvette. The NCM, National Corvette Museum, track, and the GM Assembly Plant are all at the same exit on I-65. Museum is a little pricey IMO, to take the self - guided tour, but the gift shop is accessible free, IIRC.

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'06 E320 CDI
'17 Corvette Stingray Vert