Scott Wiener probably knows more about pizza than anyone in the world. He stores his Guinness World Record-holding collection of 1,300 pizza boxes (from 55 countries) in his Brooklyn apartment, and pays the rent by channeling his encyclopedic knowledge into his New York pizza tour business, leading visitors to the best and most historic pizzerias in the world. Equal parts science, history, and art, his pizza expertise has won him fans around the globe. Follow Scott on a tour, at the International Pizza Expo in Las Vegas, and on a trip to Naples, the historic birthplace of the food that changed Scott’s life.