Great American Railroad Journeys: Red Wing to Portage, WI

Michael Portillo continues his rail journey along the Upper Mississippi to Red Wing, Minnesota, and the home of Laura Ingalls Wilder. Picking up the Empire Builder rail service he travels to Winona, La Crosse, and Tomah, Wisconsin, where he wades in a bog to harvest the nation's most important berry from the marshes at a century old farm.