The history of Rocky Mountain National Park is told with the help of historians, historical photographs and never before seen movie footage. Te begins with the Native American and Mountain Man eras through the pioneers. It continues through the 20th Century and into modern times. A group of individuals pooled their passions and dreams with those of naturalist Enos Mills. They persevered through opposition and antagonism while transforming an economy of mining and ranching to an economy of preservation and conservation. Legendary Everest climber Tom Hornbein and world-class climber, Tommy Caldwell share stories of Longs Peak and join others who pass on their legacies from this National Park.