#1400 Aspen Trees in Autumn
#1401 Grove of Aspen Trees in Autumn
#1402A Aspen Trees in Autumn
#1402 Aspen Trees in Autumn
#1403 Aspen Trees in Autumn
#1404 Three Horses and Aspen Trees in Autumn
#1405 Autumn Colors along the San Juan Skyway Scenic Byway in Southwestern Colorado
#1406 The Durango-Silverton Narrow Guage Railroad, a National Historical Landmark
#1407 The San Juan Skyway Scenic Byway, in Southwestern Colorado, in Autumn
#1408 Mountain Scenes along the San Juan Skyway Scenic Byway in Autumn
#1409 The Maroon Bells and Maroon Lake in Autumn
#1409A Autumn Reflections in Maroon Lake at the Maroon Bells, near Aspen
#1409B Aspen Reflections in Maroon Lake, near Aspen (image reversed from upside down perspective)
#1409C Aspen Reflections in Maroon Lake, near Aspen (image reversed from upside down perspective)
#1410 Autumn at the San Juan Skyway Scenic Byway in Southwestern Colorado
#1411 Ancient Cliff Dwellings at Mesa Verde National Park, a UNESCO World Heritage Site
#1412 Ancient Cliff Dwellings at Mesa Verde National Park, a UNESCO World Heritage Site
#1413 Aspen Grove in Autumn at the Edge of a Cliff