It is the place we cherish and the land we believe to know. We perceive the gorgeous landscapes and wildlife of America to be timeless, yet the reality is quite different. Its peculiar terrain drives the forces of nature to extremes, changing and reshaping the land and presenting new obstacles to life. Travel through America's physically magnificent regions, including the Frozen North, the Wild West, the Grassy Heartland, the Deep South, and the Mountainous High Wilderness, guided by the animals that most resonate with us.