The temperatures are cooling down, which means your transitional wardrobe is just heating up! And what better way to add a little flair to your outfit than with an unexpected accessory?! Most hats were initially created to serve a purpose, but these days they’re worn as much for fashion as for function. Can’t decide which style is right for you? Take a look at our Top 20 Hats in History before you decide which one to wear on your head.