PENNSYLVANIA - When you think of Pennsylvania's culinary landscape, cheesesteaks, pretzels, and shoofly pie might be the first things that come to mind. But look closer, and you'll find a state locked in a delicious and serious love affair with the all-American hamburger. From the bustling, high-end gastropubs of Philadelphia to the old-school diners of Folsom and the hip, creative kitchens of Pittsburgh, the Keystone State is a true powerhouse of patties and buns.