In the 1870s, ranchers Abner Sprague, William James, and Alexander MacGregor raised cattle while the Earl of Dunraven bought land for a private hunting reserve. It was neither cows nor hunting that defined Estes Park, though. Visitors were attracted to its beauty and crystalline mountain air. Inspired by conservationist John Muir, Enos Mills preserved the area's splendor by spearheading the establishment of Rocky Mountain National Park while F.O...