Andrew Peacock / Minden / Taiga and snow-covered mountains in autumn, Glacier Bay National Park, Alaska

Andrew Peacock / Taiga and coastal snow-covered mountains in autumn, Glacier Bay National Park, Alaska

Floris van Breugel / Bald eagle (Haliaeetus leucocephalus) flying in front of the massive wall of ice, Margerie Glacier, Glacier Bay National Park, Alaska, USA, August 2014.

Floris van Breugel / Black and white photograph of humpback whale (Megaptera novaeangliae) tail slapping at surface, Glacier Bay National Park, Alaska, USA, August 2014.

Shattil & Rozinski / Reid Glacier, Glacier Bay National Park, Alaska, USA, May 2011

Gerry Ellis / Snow-covered peaks of Takhinsha Mountains, Glacier Bay National Park and Preserve, Alaska

Andrew Peacock / Coastal mountains at sunset, Glacier Bay National Park, Alaska

Andrew Peacock / Taiga and snow-covered mountains in autumn, Glacier Bay National Park, Alaska

Andrew Peacock / Taiga and coastal snow-covered mountains in autumn, Glacier Bay National Park, Alaska

Jaymi Heimbuch / Large piece of ice calving off Johns Hopkins Glacier, Glacier Bay National Park, Alaska

Floris van Breugel / Young humpback whale (Megaptera novaeangliae) surfacing to breath at sunset, Beardslee Islands, Fairweather Range, Glacier Bay National Park, Alaska, USA, August.

Floris van Breugel / Humpback whale (Megaptera novaeangliae) surfacing, Glacier Bay, Alaska, USA, August 2014.