The Desert Speaks

The Driest Desert in the World (14x1)

Air date: Mar 17, 2004

The Pan-American Highway stretches from Alaska to the southern tip of Chile and includes a jaunt through the arid coastal desert of Peru. Learn how the cold Humboldt Current attracts the wildlife to the islands and contributes to the dry desert. Marvel at a 600-foot geoglyph of a San Pedro cactus carved into a hillside. and visit one of the richest collections of petroglyphs in the world.