Food Trailers Portland Oregon Portland, Oregon, is perhaps one of the most famous cities in the world when it comes to food carts. There's half a year before they hit the 500 mark, and you have all these carts hanging together in either a pod or a pod-like structure, which is what the permanent collection option is: Carts organize into pods. Cartopia may do the best in late-night dining for options like Chicken and Guns....