These 1,956 miles through Texas, New Mexico, Arizona, and California on the U.S. side and Nuevo Le n, Coahuila, Chihuahua, Sonora, and Baja California Norte on Mexico's side are the beautiful, rugged, blood-stained borderlands that once lured conquistadors, missionaries, scalp hunters, bandits, smugglers, pioneers, and colonists from Spain, Mexico, and the United States. Annerino canoed the R o Grande/R o Bravo del Norte through the legendary Big...