On this trip, Guy Fieri's digging into some surprising ingredients. In Santa Fe, N.M., a culinary pub serving up lights-out lamb neck and frying up tamales. In Kansas City, Mo., a funky tapas joint dishin' out duck tongue tacos and braised pork jowl,... (more) and in El Paso, Texas, a not-your-everyday deli making primetime pupusas and killer fries from chickpeas.