Glacier Bay National Park and Preserve in southeast Alaska, United States of America

Glacial iceberg detail from ice calved off the LeConte Glacier near Petersberg, Southeast Alaska, United States of America

Johns Hopkins Glacier, Glacier Bay National Park in Southeast Alaska, United States of America

Sunset at Fjallsarlon glacier lagoon on the edge of Vatnajokull National Park, South Iceland, Iceland

Iceberg detail in and around the Antarctic Peninsula during the austral summer months, Antarctica, Southern Ocean, Polar Regions

Gorner Glacier on Monte Rosa massif, Zermatt, Canton Valais, Switzerland

Hikers on the way down from Piz Palue Mountain in a glacial landscape, looking towards the summit of Piz Palue Mountain, Grisons, Switzerland, Europe

Hiker standing on the shore of a lake, mountain peaks at the back, turquoise glacial lake, Moraine Lake, Valley of the Ten Peaks, Rocky Mountains, Banff National Park, Alberta Province, Canada, North America

Teenage girl leaning against ice walls on the Matanuska Glacier in Sutton, Alaska, Sutton, Alaska, United States of America