Turquoise glacier lake in front of Mount Cook, UNESCO World Heritage Site, South Island, New Zealand, Pacific

Blue ice in front of the Dawes Glacier in Endicott Arm in Southeast Alaska, United States of America, North America

Harbor seals (Phoca vitulina) on ice in front of Dawes Glacier, Endicott Arm, southeast Alaska, United States of America, North America

Blue ice in front of the Dawes Glacier in Endicott Arm in Southeast Alaska, United States of America, North America

Man in yellow raincoat jumping in front of glacial mountains, Sognefjellet Mountain Pass, Jotunheimen National Park, Norway, Scandinavia, Europe

Gravel beach in front of a huge glacier in Hornsund, Svalbard, Arctic, Norway, Scandinavia, Europe

Polar bear (Ursus maritimus) sitting on a piece of ice in front of a glacier, Hornsund, Svalbard, Arctic

Iceberg floating in front of flat table mountains covered with ice, Franz Josef Land archipelago, Arkhangelsk Oblast, Arctic, Russia, Europe

Iceberg floating in front of flat table mountains covered with ice, Franz Josef Land archipelago, Arkhangelsk Oblast, Arctic, Russia, Europe

Glacial lakes in front of the Torres del Paine National Park, Patagonia, Chile, South America

Guest Poppy (6) from the Lindblad Expedition ship National Geographic Explorer examines glacial ice near Petermann Island, Antarctica

Excursion boat on Lake Bled in front of Assumption of Mary's Pilgrimage Church, Bled, Slovenia

Scarp of the Grey Glacier in the Torres del Paine National Park, Patagonia, Puerto Natales, Region de Magallanes y de la Antartica Chilena, Chile, South America

View of the Berg Lake and Berg glacier, Rocky Mountains, Mount Robson National Park, British Columbia, Canada

Perito Moreno Glacier with cloud formation, Patagonia, Argentina, South America

Perito Moreno Glacier with cloud formation, Patagonia, Argentina, South America

Ice breaking off the Perito Moreno Glacier, Lago Argentino lake, High Andes, near El Calafate, Patagonia, Argentina, South America

Three rock towers of the Torres reflected in the glacial lake in front of them, Torres del Paine National Park, Patagonia, Chile (Torres del Peine)

Rubber boat tour on the glacial lake in front of the Briksdalsbreen glacier, Norway, Scandinavia, Europe

Great Aletschgletscher glacier with glacial lake in the foreground, Goms, Valais, Switzerland, Europe

Southern Beech (Nothofagus) in front of the Perito Moreno Glacier, Patagonia, Argentina, South America

Svinafellsjoekull glacier in Vatnajoekull NP during Winter, view of Mt. Hrutsfjall during sunset. europe, northern europe, scandinavia, iceland, February

Glacier Svinafellsjoekul in the Vatnajoekull NP during winter. The glacier front and the frozen glacial lake. europe, northern europe, iceland, February

Svinafellsjoekull glacier in Vatnajoekull NP during Winter, view over the frozen glacial lake and the melting glacial front. europe, northern europe, scandinavia, iceland, February

The glacial lagoon Joekulsarlon with glacier Breithamerjoekull in the Vatnajoekull NP. In the background is peak Oeraefajoekull, the highst mountain in Iceland. europe, northern europe, iceland, February

A woman hiking in front of glacial snout of ice in Titcomb Basin in the Wind River Range, Bridger Teton National Forest, Pinedale, Wyoming.

MV Skorpios in front of the San Rafael Glacier, Laguna San Rafael National Park, Aisén Region, Chile

Videographer in front of the San Rafael Glacier, Laguna San Rafael National Park, Aisén Region, Chile