It was clear almost since the beginning of automotive history and the birth of the National Park Service that these two major parts of American life were intertwined. While many, including the likes of the illustrious Edward Abbey in Desert Solitaire, have bemoaned the way vehicle access to the National Parks have "ruined" them, I think it's hard to argue that far more people have been able to see and appreciate the natural wonders of the U.S. because of this access – helping promote good...