Over the past decade, Togwotee Pass between Dubois and Moran Junction in Wyoming has become "a circus of wildlife paparazzi around grizzlies," noted Cowboy State Daily recently. Photographers crowd to within just a few yards of the bears and sometimes even get into shoving matches with each other trying to get prime positioning for the best photos. Officials say the growing mob over the bears is a disaster waiting to happen--it might be only a matter of time before somebody gets mauled or killed by a distracted driver. "There's arguing, there's threats," one photographer noted.

  Nightfall in the New Mexico desert. A passing photographer notices the full moon with craters defining a face, illuminating the darkness around a lonely church and graveyard in the village of Hernandez. He stops his car and quickly sets up his 8 x 10 camera, exposing a single negative. There is no time for another setup before the light shifts, no time to check his light meter. It is November 1, 1941 and Ansel Adams has caught what might be the most recognized la...