"Philadelphia’s best-known sandwich might be the cheesesteak —but that doesn't mean it's the city's official sandwich. For that, look to the roast pork, which stacks thin slices of pork, broccoli rabe, and sharp provolone on an Italian hoagie roll. Though the originator of the sandwich is unknown, this small shop in South Philly makes one of the most beloved iterations. The hearty portions and location draw a mix of construction workers, cops, locals, and tourists. But a word of caution: Pay attention to how the locals ahead of you in line order—there’s little patience here for indecision. A trip to John’s offers you not only an outstanding and filling sandwich, but a look at a Philadelphia institution that's been around for more than 80 years." - Devra Ferst