As today's food scene is inspired by so many newer international influences, it's easy to overlook the diversity of this nation's traditional cuisine. Though it, too, relies on the marriage of many different cultures, barbecue as a cuisine is something Americans can hang their hats on as being a product of this country's careful cultivation. But even within the category of barbecue, there are so many regional styles. We've investigated five of the most iconic regional styles of this classic dish to inspire some Summer cooking . . . or a road trip!