Sediment-covered ice seracs, Kverkfjoll ice tongue, Iceland
View of the Amazon River at Obidos, where the main stem of the river is narrowest.
360 degree panoramic of the sea ice west of Point Barrow, Alaska.
Sea ice pressure ridge in the Arctic Ocean just north of Barrow, Alaska (northernmost city in the United States).
The Latrabjarg bird cliffs stretch for 14km along the coast of Iceland's Westfjords region. Puffins, guillemots, and kittiwakes nest here during the summer months.
McMurdo Station, Antarctica from Ob Hill at around 1am.
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