Photographer-naturalist Peter Koch first visited the new Big Bend National Park in February, 1945, on assignment to take promotional pictures for the National Park Service. He planned to spend a couple of weeks--and ended up staying for the rest of his life. Koch's magnificent photographs and documentary film-lectures Big Bend, Life in a Desert Wilderness and Desert Gold introduced the park to people across the United States, drawing thousands of visitors to the Big Bend. His photographs and films of the region remain among the best ever produced, and are an...