In the long, glorious saga of American muscle, few legends burn brighter—or louder—than the 1967 Shelby GT500 Super Snake.

One of only 17 convertibles produced with the 426 Hemi V8 engine, this 1967 Plymouth GTX is now the world's most expensive.

Restoring a classic muscle car or purchasing one in pristine condition is a decision many car enthusiasts face. Each option ...