The 1959 Cadillac Cyclone was miles beyond the technology and styling of the day, and though it was just a ‘concept,’ it was also a missed opportunity and yet another of Harley Earl’s iconic designs.

Built in 1959 and designed by GM's first top design executive Harley Earl, the Cadillac Cyclone was known as a "dream car" and was never mass-produced for the public.

As the flagship Cadillac Celestiq bows, let's take a look at the brand's past visions of the future. Cadillac has a knack for flagship and concept cars, producing some absolute stunners over the last ...