3. The Original Hot Dog Shop
School: University of Pittsburgh, Carnegie Mellon
Address: 3901 Forbes Ave.
Hours: Monday - Thursday, Sunday: 10 a.m. - 4 a.m., Friday - Saturday, 10 a.m. - 5 a.m.
What's better than a foot-long chili cheese dog? How about two foot-long chili cheese dogs with an enormous side of twice-fried fries for less than $10. An institution at two different schools, "The O," as it's affectionately called (or "The Dirty O," as it's slightly less affectionately called), is so good, it's even co-signed by vegetarians.