Philadelphia boasts some of the most delicious original sandwiches and passionate sandwich aficionados. From the classic cheesesteak to the delectable roast pork, the city's cultural and ethnic diversity has resulted in many of America's most established meals between bread. Join author and bona fide sandwich obsessive Mike Madaio as he journeys through the history and eateries behind Philadelphia's most iconic sandwiches and discovers some unsung heroes along the way.