In 1972, Stephen Shore left New York City and set out with a friend to Amarillo, Texas. He didn't drive, so his first view of America was framed by the passenger's window frame. He was taken aback by the fact that his experience of life as a New Yorker had very little in common with the character and aspirations of Middle America. Later that year he set out again, this time on his own, with just a driver's licence and a Rollei 35 - a point-and-shoot...