National Parks: USA transports viewers to some of the country's most treasured wild spaces. From Zion and Yellowstone to Katmai, the Everglades and Olympic, each park presents its own cast of animal characters. This five-part series features a blend of wildlife weaved seamlessly with stories of rich culture, history and geological landmarks. In addition to illuminating each park's beauty, set against the backdrop of dynamic wildlife, "National Parks: USA" reveals Indigenous stories from some of today's tribes to link the past with the present, highlighting the importance these lands have had through countless generations and the need for these national treasures to remain for the future.