Person hiking on Matanuska Glacier, Alaska.

alaska matanuska glacier achievement adventure aspirations awe backpack beauty in nature challenge climate change climbing cold temperature cold weather color image day deep snow dramatic landscape earth science effort environment exploration extreme terrain frozen full length geology geoscience getting away from it all glacier glaciology global warming hiking horizontal ice idyllic landscape mature adult melting motivation mountain mountain climbing mountaineer mountainous natural world nature one man only one person only men outdoors people photography physical geography polar climate polar regions remote location scenic snow snow covered sunlight sunny tourism tranquil scene tranquility unrecognizable person walking wilderness