Perched in the dawn hours along the terminal moraine of Kenai Fjords National Park's largest tidewater glacier are blue icebergs flowing toward the sea. Scattered on the jet-black beach are other bergs broken under the pressure of a four-mile river of ice.

After seven months of hibernation, the world's largest population of brown bears is ready for some sun in the Katmai National Park and Preserve, Alaska. They begin the morning in the meadow, but as the sun rises and the tide goes out, the bears dig for clams in the flats.

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Fog envelopes Beluga Lake in Homer, Alaska, but dissipates as the sun rises and seaplanes take to the sky.

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