High angle view of river, Rapadalen, Sarek National Park, Jokkmokk Municipality, Lapland Province, Sweden

High angle view of river, Rapadalen, Sarek National Park, Jokkmokk Municipality, Lapland Province, Sweden

Sky reflected in lake water with mountains in the background, Fjell, Northfjord, Norway

Waterfall in forest, Rondane National Park, Vestfossen, Buskerud, Norway

Wooden house at lakeside, Rondane National Park, Fjell, Hordaland County, Norway

Trees on rolling landscape, El Teide National Park, Tenerife, Canary Islands, Spain

Trees in forest, Tiveden National Park, Sweden

Trees on a landscape under cloudy sky, Rocky Mountain National Park, Colorado, USA

Trees in forest, Glacier National Park, Montana, USA

Trees in field, Yellowstone National Park, Wyoming, USA

Fossils on landscape, Petrified Forest National Park, Arizona, USA

Three Muskox (Ovibos moschatus), Dovrefjell Sunndalsfjella National Park, Norway

Glenveagh National Park, Ireland

Trees in forest, Mt Ortler, Stilfserjoch National Park, South Tyrol, Italy

Yosemite National Park, California, USA

Antique Wood Engraving of a View of Sequoia Trees, "Big Trees-Mariposa Grove" (Location: California)

Moss and trees on landscape, Rondane National Park, Norway