Clear mountain lakes, rugged peaks, towering forests, spectacular canyons, and desert plains form an inspiring backdrop for these scenic drives through land once traveled by explorers Lewis and Clark, miners during the gold rush, and the hardy pioneers on the Oregon Trail. This guide contains comprehensive route descriptions, detailed maps, information on nearby attractions, travel-season recommendations, and fascinating facts about the geology and history of the area. Black-and-white photos illustrate the drives, and the stunning eight-page color section will entice you to take these roads-less-traveled.