Muscle cars are the crown jewels of American automotive history, fetching jaw-dropping prices at auctions. The 1967 Chevrolet Corvette L88, sans radio and heater for serious buyers only, revved up to a whopping $3.85 million. Meanwhile, a 1966 Shelby Cobra Roadster strutted its stuff to a cool $1 million. And let’s not forget the $3.5 million 1971 Plymouth Barracuda convertible, the Hemi-powered showstopper that leaves other cars in the dust. Who knew inflation hedges could be so fast?