We're taking a look at two parts of Mexico's northern borderlands. Keith Bowden spent the better part of a winter canoeing the length of the Rio Grande from El Paso to the Gulf, and he tell us what surprises he found. Also, the author of guidebooks to Baja and Cabo describes the natural attractions of Baja California, with two coastlines more 800 miles long. For more information on Travel with Rick Steves - including episode descriptions, program archives and related details - visit www.ricksteves.com.
