The morning sun lights up the brilliant yellow leaves of quaking aspen trees lining a hiking trail in Rocky Mountain National Park. Colorado.
Continental Divide Overlook. Eldorado Canyon State Park. Colorado.
A foggy September morning at Great Sand Dunes National Park. Colorado.
Rocky Mountain Arsenal NWR. Denver, Colorado.
Twin Lakes, Colorado.
Long Lake. Colorado.
Wildflowers. Twin Lakes, Colorado.
Mountains of the Sangre de Cristo Range towering over the dunes at Great Sand Dunes National Park. Colorado.
Eldorado Canyon State Park. Colorado.
First light on Hallett Peak one October morning.
Autumn at Bear Lake. Rocky Mountain National Park. Colorado.
A fly fisher (bottom right) at Dream Lake is dwarfed by Hallett Peak (top left) and the surrounding mountains in Rocky Mountain National Park. Colorado.
The sun lights up the mountains one October morning in Rocky Mountain National Park. Colorado.
You can find just about every ecosystem at Great Sand Dunes National Parks — from the scrublands and the dune field to the forest meadows and the alpine tundra. Colorado.