adventure animal antarctic antarctica arctic area background bay beak beautiful beauty bird black blue bright change climate cold color cool cruise day ecology effect environment expedition exploration explorer extreme floating floe freeze frozen glacier global horizontal ice iceberg icecap icicle icy landscape light majestic melting mountain natural nature ocean outdoor outdoors penguin polar pole pure purity reflection scenery scenic sea shape sky snow south sunlight terrain tourism tranquil travel turquoise underwater uninhabited untouched view warming water white wild wilderness wildlife winter