Autumn aspens reflected in Maroon Lake, Colorado
Fresh snow on Maroon Bells and autumn colors reflected in Maroon Lake, White River National Forest, Colorado
Multi-colored aspen grove
A colorful aspen grove (Populus tremuloides) at its peak autumn change in White River National Forest, Colorado
The Subway in Zion NP
The Subway is a geologic formation of sandstone carved by water in the western half of Zion National Park. It can only be reached by a strenuous hike via a 5 mile long trail along the Left Fork of North Creek.
Autumn colored aspen trees in Colorado
Aspen (Populus tremuloides) in autumn color in the San Juan Mountains of Colorado
Sunrise lights a large grove of autumn colored aspen trees
Dramatic sunrise light spotlights a large aspen forest in autumn near Telluride, Colorado
A small grove of aspen resists the oncoming winter
An aspen grove comes into view on Kebler Pass Road in Colorado. Digital manipulation
Autumn snowfall
Huge snowflakes frozen in mid-air by a fast shutter speed on a cold autumn day
Aspen grove above Bear Lake
Aspen trees, in autumn, frame Longs Peak (14,259ft-4346m) which towers above Bear Lake, at dusk, in Rocky Mountain National Park, Colorado
Maroon Bells in autumn
Storm clouds swirl around Maroon Bells (14,014ft-4271m) on an autumn morning with large groves of changing aspen framing the iconic mountains.
Capitol Peak in autumn
Autumn storm clouds roll across Capitol Peak (14,137-ft - 4,309 m) in Maroon Bells-Snowmass Wilderness in Colorado
Autumn snow
Fresh snow dresses up an autumn scene of changing Aspen (Populus tremuloides) on Red Mountain Pass, Colorado
Mt. Sneffels and autumn storm
Clouds move in around Mount Sneffels (14,158 ft - 4,315 m) during an autumn sunset in the Sneffels Wilderness Area of Colorado
Aspen grove in autumn
A fall display of Aspen trees (Populus tremuloides) at peak color in Gunnison National Forest, Colorado
Stormy Sunset
A rain/snow storm moves across the Sneffels Range at sunset in southwestern Colorado
Last light
Dusk envelopes a hillside of autumn colored aspen trees in Uncompahgre National Forest, Colorado
Winter arrives early
A fall snowstorm breaking-up reveals the snow-laden Sneffels Range in southwestern Colorado
Mt Sneffels at sunset
Mt Sneffels (14,158-foot - 4,315 m) is lit by the setting sun as an autumn storm system hovers above Uncompahgre National Forest in Colorado
Stormy sunset
A rain storm moves across Owl Creek Pass at sunset
Autumn waterfall
A waterfall plunges into the Uncompahgre River Gorge past a small grove of aspen in autumn
Colorado autumn
Capitol Peak (14,130ft - 4308m) serves as an impressive backdrop for the large aspen groves in the Capitol Creek Valley nestled in the Maroon Bells-Snowmass Wilderness
Autumn fog layer
Early morning ground fog circulates slowly between groves of aspen, spruce, and fir below Molas Pass at the base of the Grenadier Range in Colorado
Autumn fog
The Castles in autumn
The Castles rock formation in the West Elk Wilderness catch an autumn sunrise in Colorado's Gunnison NF