Large ice tunnel
A man walks through a large ice tunnel formed by the shifting of icebergs along the terminus of the Mendenhall Glacier in Juneau, Alaska.
A man walks through a large ice tunnel formed by the shifting of icebergs along the terminus of the Mendenhall Glacier in Juneau, Alaska.
Along the southeastern coast of Greenland, an intricate network of fjords funnels glacial ice to the Atlantic Ocean.
Each December, while darkness engulfs the Arctic, Antarctica enjoys round-the-clock sunlight. The light arrives at a low angle, however, as the Sun makes a daily