The Virgin River - Zion National Park, Utah

Black and white image of an alpine pass - Rocky Mountain National Park, Colorado

Deer Mountain, Rocky Mountain National Park, Colorado

Trees silhouetted beneath a full moon - Yellowstone National Park, Wyoming

Devil's Tower beneath an approaching storm - Wyoming

Tracks in the sand - Great Sand Dunes National Park, Colorado

Ripples in the sand - Great Sand Dunes National Park, Colorado

Frost covered dunes - Great Sand Dunes National Park, Colorado

Fern lake - Rocky Mountain National Park, Colorado

Aspen on a mountain side - Rocky Mountains National Park, Colorado