Patricio Robles Gil / Atlantic Walrus (Odobenus rosmarus rosmarus) resting on ice, Spitsbergen, Svalbard, Norway

Tui De Roy / Tundra bog, sparse moss beds in glaciated terrain, Kvitoya, eastern Svalbard, Norwegian Arctic

Tui De Roy / Ringed Seal (Phoca hispida) surfacing in brash ice, Svalbard Archipelago, Norwegian Arctic

Tui De Roy / Atlantic Walrus (Odobenus rosmarus rosmarus) bachelor bulls on ice floe, North Coast Spitsbergen, Svalbard, Norwegian Arctic

Tui De Roy / Ringed Seal (Phoca hispida) surfacing in brash ice, Svalbard, Norwegian Arctic

Tui De Roy / Bearded Seal (Erignathus barbatus) scratching its chin while resting on ice floe, Kongsfjorden, Spitsbergen, Svalbard, Norwegian Arctic

Tui De Roy / Summer icebergs, Spitsbergen Island, Svalbard Archipelago, Norwegian Arctic

Kevin Schafer / White Cottongrass (Eriophorum scheuchzeri) flowering and autumn tundra, Svalbard, Norway

Kevin Schafer / Fogbow over ice floes, Svalbard, Norway

Kevin Schafer / Zodiac cruises along face of Monaco Glacier, Leifdefjorden, Svalbard, Norway

Kevin Schafer / Tufted Saxifrage (Saxifraga cespitosa) and lichen-covered rock, Svalbard, Norway

Kevin Schafer / Tufted Saxifrage (Saxifraga cespitosa) flowering, Svalbard, Norway