Crustose (Caloplaca sp. ) on whitish-yellow dolomite, Segelsallskapet Fjord, Northeast Greenland National Park, Greenland, North America

Iceberg, mountains in the morning light, Kong Oscar Fjord, Northeast Greenland National Park, Greenland, North America

Mountain Avens (Dryas octopetala), seed head, Kejser Franz Joseph Fjord, Northeast Greenland National Park, Greenland, North America

Firedot lichen (Caloplaca sp. ) on granite, Kejser Franz Joseph Fjord, Northeast Greenland National Park, Greenland, North America

Mountain Avens (Dryas octopetala), seed head, Kejser Franz Joseph Fjord, Northeast Greenland National Park, Greenland, North America

Bleached skull of a musk ox, Holmbugt, Kong Oscar Fjord, Northeast Greenland National Park, Greenland, North America

Limestone coloured red by iron and whitish-yellow dolomite, Segelsallskapet Fjord, Northeast Greenland National Park, Greenland, North America

Limestone coloured red by iron and whitish-yellow dolomite, Segelsallskapet Fjord, Northeast Greenland National Park, Greenland, North America

Limestone coloured red by iron and whitish-yellow dolomite, Segelsallskapet Fjord, Northeast Greenland National Park, Greenland, North America

Limestone coloured red by iron and whitish-yellow dolomite, Segelsallskapet Fjord, Northeast Greenland National Park, Greenland, North America

Limestone coloured red by iron and whitish-yellow dolomite, Segelsallskapet Fjord, Northeast Greenland National Park, Greenland, North America

Limestone coloured red by iron and whitish-yellow dolomite, Segelsallskapet Fjord, Northeast Greenland National Park, Greenland, North America

Arctic willow (Salix arctica), Iceland, Europe

Arctic Willow (Salix arctica), Northeast Greenland National Park, Greenland, North America