captioning made possible by rysher entertainment i'm marty stouffer. it's easy to imagine the untamed wildness of the good old days as you listen to a lone coyote sing its ancient song.

>>> i'm marty stouffer. dry and desolate for most of the year, our desert southwest comes alive in spring. it's early april as i began a five-month ride from the border of mexico all the way to canada. we'll follow springtime north