Yellowstone: America's First National Park (2006)

Vast, beautiful and untamed, Yellowstone's rugged wilderness ignites the imagination like no other national park. Llama trekking, wolf-watching, and geyser gazing are just a few of the out-of-the-ordinary activities that await you. Get a ringside seat for the geothermal wonders and diversity of wildlife that gave Yellowstone the nickname, "America's Serengeti."