Glacial iceberg detail from ice calved off the Sawyer Glacier in Tracy Arm, Southeast Alaska, United States of America

glacial iceberg sawyer glacier southeast alaska blue ice formations pacific ocean natural textures calving remote scenery detail wildlife processes cold climate stunning nature geological features environmental beauty icy landscape unique translucent summer thaw wonders breathtaking views preservation untouched wilderness outdoor adventure ecotourism change polar regions science exploration travel destination serene