Garibaldi Glacier, Darwin National Park, Tierra del Fuego, Patagonia, Chile, South America

Pia Glacier, Beagle Channel, Darwin National Park, Tierra del Fuego, Patagonia, Chile, South America

Pia Glacier, Beagle Channel, Darwin National Park, Tierra del Fuego, Patagonia, Chile, South America

Viewing fur seals on pack ice in the Antarctic Sound, Antarctic Peninsula, Antarctica, Polar Regions

Neko Harbor, Gerlache Strait, Antarctic Peninsula, Antarctica, Polar Regions

Ship approaching Brown Bluff, Antarctic Peninsula, Antarctica, Polar Regions

Garibaldi Glacier, Darwin National Park, Tierra del Fuego, Patagonia, Chile, South America

Passengers viewing iceberg in the Gerlache Strait, Antarctica, Polar Regions

Floating iceberg near the Eqi glacier, Ilulissat, Western Greenland, Denmark, Polar Regions

Tourists watching an iceberg floating in the South Orkney Islands, Antarctica, Polar Regions

Tourists taking an ice tour in a small boat watching icebergs from the Ilulissat Icefjord, just outside Ilulissat, Greenland, Denmark, Polar Regions

Tourists taking an ice tour in a small boat watching icebergs from the Ilulissat Icefjord, just outside Ilulissat, Greenland, Denmark, Polar Regions

Tourists taking an ice tour in a small boat watching icebergs from the Ilulissat Icefjord, just outside Ilulissat, Greenland, Denmark, Polar Regions

Tourists taking an ice tour in a small boat watching icebergs from the Ilulissat Icefjord, just outside Ilulissat, Greenland, Denmark, Polar Regions

A Bull Antarctic Fur Seal (Arctocephalus gazella) on an iceberg in Drygalski Fjord, Antarctic Peninsular,

Views of Austfonna, an ice cap located on Nordaustlandet in the Svalbard archipelago, Norway

Humpback whales (Megaptera novaeangliae) surfacing near Zodiac near the Antarctic Peninsula, Antarctica, Southern Ocean

A small pod of 8 Type B killer whales (Orcinus nanus) in pack ice near Snow Hill Island Island, Weddell Sea, Antarctica, Southern Ocean

Photographers and adult leopard seal (Hydrurga leptonyx) hauled out on ice floe near the Antarctic Peninsula, Southern Ocean

Images of the rescue of 154 people from the sinking expedition ship Explorer in Antarctica

A small pod of 8 Type B killer whales (Orcinus nanus) in pack ice near Snow Hill Island Island, Weddell Sea, Antarctica, Southern Ocean

The National Geographic Endeavour breaking through new fast ice around the Antarctic Peninsula.

Views of Austfonna, an ice cap located on Nordaustlandet in the Svalbard archipelago, Norway

The National Geographic Endeavour breaking through ice floes in the Weddell Sea around the Antarctic Peninsula. Guests are on the bow watching the process.

The National Geographic Endeavour breaking through fast ice in the Weddell Sea around the Antarctic Peninsula. Guests are on the bow watching the process.

Polar bear floating on ice floe in ocean

Watching a breathing hole of a seal. Inuit hunter wearing traditional trousers and boots made from polar bear fur on the sea ice of the Melville Bay near Kullorsuaq in North Greenland. North America, danish teritorry

Watching a breathing hole of a seal. Inuit hunter wearing traditional trousers and boots made from polar bear fur on the sea ice of the Melville Bay near Kullorsuaq in North Greenland. North America, danish teritorry

Split image of scuba divers before to dive under the ice, only in springtime, when the hard winter slowly subsides, are the ice-cold waters suitable for divers who can dive around a iceberg that floats in crystal-clear water, Tasiilaq, East Greenland

Split image of guide with snowmobile waiting the divers, only in springtime, when the hard winter slowly subsides, are the ice-cold waters suitable for divers who can dive around a iceberg that floats in crystal-clear water, Tasiilaq, East Greenland