Walrus swimming toward iceberg in the Arctic Ocean near Svalbard.
Upper Antelope Canyon showing the effects of wind and water on the sandstone.
Wide view of Colorado River at Horseshoe Bend near Page Arizona.
Aurora in Alaska night sky near Fairbanks with lit cabin in foreground.
Aurora in night sky above Chena Hot Springs near Fairbanks Alaska.
Aurora photographed on tundra in Wapusk National Park in Manitoba, Canada.
Aurora with the interior of a tent lit with a lantern.
