Overview: It's appropriate that we'll be traversing the Hawkeye State from the air - and you can help us decide which of its great landmarks demand a bird's-eye view. Will the George M. Verity, one of the last surviving US steam-powered towboats, or the Sergeant Floyd monument make your list? It's sure to be an epic photo-essay over Iowa that will warm you to its charms. And when was the last time the words "warm" and "Iowa" were used in the same sentence?