A 30-Year American Road Trip – NYTimes.com

It’s summertime, so millions of Americans are gassing up the car, loading up the kids and hitting the highway for that most American of rituals: the road trip. Big skies, roadside attractions and unending byways feature deeply in the national mythology, and in the history of photography, too. For David Graham, exploring the nooks and crannies of this large country has been his life’s work.