Athabasca cave is located on the edge of Canada's Athabasca Glacier, near the Columbia Icefield. During the day, visitors experience sculptural, blue-hued ice formations. Those who brave the cold night can sometimes see auroras above the sprawling ice.

Athabasca Cave, Canada

Athabasca cave is located on the edge of Canada's Athabasca Glacier, near the Columbia Icefield. During the day, visitors experience sculptural, blue-hued ice formations. Those who brave the cold night can sometimes see auroras above the sprawling ice.
Photograph by Juan Pablo de Miguel Moreno, Aurora

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