3/3. Deserts: Ray Mears looks at how the landscapes of America's five great deserts challenged the westward push of the early pioneers. Also in HD. [AD,S]
2/3. Great Plains: Ray Mears learns how 500,000 square miles of flat, treeless grassland was the setting for Wild West stories of Indians, wagon trains and homesteaders. Also in HD. [AD,S]
1/3. Mountains: How America's three great mountain ranges - the Appalachians, the Rockies and the Sierra Nevada - challenged the westward push of the early pioneers. Also in HD. [AD,S]