This crude, spontaneous style shattered existing design conventions for a lasting break with tradition, although the free spirit was lost to the even greater computer-graphics revolution of the '80s.

WSJ: When the Outrageous Became Mainstream

While he may best be known for his fairytale marriage to American movie star Grace Kelly, which helped bring romance and style back to Monaco, his longest lasting legacy may indeed be his revitalization of Monaco's economy.

FORBES: Prince Rainier: Billionaire Monarch Leaves Rich Economic Legacy

You can try less-expensive, longer-lasting tires with lower speed ratings and, depending on your driving style, you may not notice a difference in how your car feels on the road.

WSJ: Is Regular Gas Good Enough?