Treasures of America's National Parks

Yellowstone: America's First National Park (2x1)

Air date: Jul 22, 2008

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 in this mesmerizing program that also gives you a ringside seat for geothermal wonders and up-close looks at the diversity of wildlife that gave Yellowstone the nickname, "America's Serengeti."