Climb inside these stunning muscle car drop-tops, straight from the classic era of American high-performance cars! Today's rarest, priciest, and most highly sought-after muscle cars are also the least practical. These are the striking convertibles of the 1960s and 1970s that were optioned out for drag racing. Wide-Open Muscle showcases these rare cars and proves that sometimes it pays to throw practicality out the window in order to make something...