The USA was built north to south using the mighty Mississippi as the pathway. Using 1,800 miles of navigable waterway, the people and their commerce and culture moved freely. Come with us as we investigate this majestic river, from its beginnings as a small, clear stream in northern Minnesota to the great cities along its banks as it flows southward. You'll be charmed and fascinated by this marvellous scoring. (duration 4:24)