Hold onto your hats as host Marc Summers breezes through the Windy City for the low-down on Chi-town. First stop - Colorado. Find out how Colorado-based Old Chicago got its name. Next, see why Vitner's chips are a Chicago treasure and check out the science behind the mysterious meals at a restaurant called Moto. Then, learn the layers of history behind a neighborhood tradition at Rainbow Cone and find out how to make a real Chicago-style hot dog from Vienna Beef. And finally, we visit with Mr.Pierogi and his favorite festival.