elk (Alces alces), Alaska, Denali National Park, USA

reindeer, Rangifer tarandus, Denali National park, Alaska, USA

Reflection of snow covered mountain range in water, Wonder Lake, Mt McKinley, Denali National Park, Alaska, USA

Mosses on rocks in river, Denali National Park, Alaska, USA

North American Porcupine (Erethizon dorsatum), Denali National Park, USA, front view

Dwarf Birch (Betula nana) in field, Denali National Park, Alaska, USA

High angle view of river flowing through landscape, Mt McKinley, Denali National Park, Alaska, USA

Snowshoe Hares (Lepus americanus) eating leafs, Denali National Park, USA, side view

Quaking Aspen (Populus tremuloides) trees in field, Denali National Park, Alaska, USA

Arctic Ground Squirrel (Spermophilus parryii) on a stone, Denali National Park, USA, side view

Close-up of Stiff Club Moss (Lycopodium annotinum), Denali National Park, Alaska, USA

Dwarf Birch (Betula nana) and Alpine Bearberry (Arctostaphylos alpinus) in field, Denali National Park, Alaska, USA

Caribou (Rangifer tarandus) reindeer standing in field, Mt McKinley, Denali national park, Alaska, USA

Yosemite National Park, California, USA

Caribou (Rangifer tarandus) reindeer standing in field, Mt McKinley, Denali national park, Alaska, USA

High angle view of waterfall, Yellowstone National Park, Wyoming, USA

High angle view of waterfall, Yellowstone National Park, Wyoming, USA

Lake with mountain in background, Grand Teton National Park, Wyoming, USA

Houses in field with mountain in background, Grand Teton National Park, Wyoming, USA

Trees in forest, Glacier National Park, Montana, USA

Trees in forest, Glacier National Park, Montana, USA

Bushes in desert, Great Sand Dunes National Park, Colorado, USA

Bushes in desert, Great Sand Dunes National Park, Colorado, USA

Rippled on sand dune, Great Sand Dunes National Park, Colorado, USA

Panoramic view of mountain range, Denali National Park, Alaska, USA