Discovering America was amazing.  The landscape, the sky, the people, some of the places we visited, and especially the food. But most rewarding might have been the time my wife and I spent together in her Volvo station wagon. What we learned is how big and how diverse the country is, and realized how little of it we saw.  We know we will need to do the trip again because there is so much more to see. Gallery 4 covers Tucson, Arizona through to wherever…