State to State: Chill in the Florida Keys, Art in St. Louis, Adventure on the Colorado River


The United States -- a massive playground for adventure travels. So where do you start? How about the very bottom? We're going to start where it's always summer: the Florida Keys, a bottomless drink of fun and sun. Then we'll head to the middle. Meet in St. Louis, an intersection of art, nature, and American innovation. And finally, see the Colorado River like never before. (20m)