DESCRIPTION: Narrated by Grammy-winning country music star Kathy Mattea, Heart of the World delves into the true wonder and beauty of nature, taking us through the seasons and centuries of some of the most spectacular sights on earth - Colorado's National Parks. Combining stunning photography of the parks filmed throughout the seasons with breathtaking helicopter aerials and outstanding wildlife shots - featuring bears, bighorn sheep, moose, elk and more - these three hour-long episodes explore the geological history of each park, the forces of nature that changed them, and the people they have inspired.