John Arena could be considered the godfather of pizza in Las Vegas. When he travels, he eats pizza no matter where he goes. Arena even teaches a class on the history of pizza at UNLV. That makes him the authority on all things pizza. Who better to ask about the pizza joints that pepper Las Vegas? Arena, who co-owns Metro Pizza with his cousin Sam Facchini, gave Eater Vegas the skinny on pizza places all over the Vegas Valley. Here’s a look at 17 you should try.