Some of the choices seem a bit far-fetched - I never would have guessed Kansas for Tom Yum Gai or Iowa for won ton soup. In Iowa, however, it doesn't surprise me that they call it "won ton soup with dumplings." Kinda redundant since won tons are dumplings. I guess they wanted us to get the point even if they missed it.
I make a lot of soups but my fave is probably "kitchen sink soup." The ingredients depend on what's in the fridge and pantry and my mood of the moment. Just made one today with some chicken, chorizo, onion, garlic, green pepper, corn, Rotel, huitlacoche, Hatch & other chiles, garbanzos, pinto beans, masa, various seasonings, and some other stuff. Mmmm.