America's Great Outdoors
Every March, thousands of Sandhill cranes stop in Great Sand Dunes National Park & Preserve on their way to their northern breeding grounds. The fields and wetlands of Colorado’s San Luis Valley provide excellent habitat for these majestic birds....

Every March, thousands of Sandhill cranes stop in Great Sand Dunes National Park & Preserve on their way to their northern breeding grounds. The fields and wetlands of Colorado’s San Luis Valley provide excellent habitat for these majestic birds. With the dunes and mountains nearby, they dance and call to each other. It’s one of nature’s great spectacles. Photo by National Park Service.

Check out this bighorn sheep escalator! Once endangered and wary of human contact, the small number of desert bighorn sheep in Colorado National Monument are often hard to find, making this picture incredible and unique. Photo by Molly Murphy,...

Check out this bighorn sheep escalator! Once endangered and wary of human contact, the small number of desert bighorn sheep in Colorado National Monument are often hard to find, making this picture incredible and unique. Photo by Molly Murphy, National Park Service.