Composite image of a polar bear leaping across an ice floe 500 miles from the North Pole north of Svalbard.
Composite image of a polar bear leaping across an ice floe 500 miles from North Pole north of Svalbard.
Polar bear leaping across an ice floe 500 miles from the North Pole north of Svalbard.
Upper Antelope Canyon showing the effects of wind and water on the sandstone.
Silhouette of the Bass Harbour Head working lighthouse at sunset in Acadia National Park Maine.
Wide view of Colorado River at Horseshoe Bend near Page Arizona.
Aerial view of the Yukon from a helicopter.
