Eastern Oregon's ambiguous borders stretch from the Columbia River Gorge in the north to the Nevada border in the south, straddling Idaho to the east. Home to cattle ranchers, pronghorn, wild horses, and sagebrush, this high-desert territory is more of a lifestyle than a region. Over 20 fine-art photographers provide a look at its diverse wildlife, ghost towns, and golden mountains, including the Steens and Blue Mountains, Malheur National Forest,...