Alpenglow on Mt. McKinley and Mt. Hunter as seen from the Denali South Overlook along the Parks Highway, Denali State Park, Alaska, Winter PacificStock
Fog over the sand dunes at dawn after a heavy frost; Lakeside, Oregon, United States of America PacificStock
This male green sea turtle (Chelonia mydas), an endangered species, is being followed closely by a spotted unicorn fish (Naso brevirostris); Hawaii, United States of America PacificStock
Spinner dolphin (Stenella longirostris) travel in large groups around the island of Hawaii; Hawaii, United States of America PacificStock 8
McCollough Memorial Bridge crosses Coos Bay; North Bend, Oregon, United States of America PacificStock
Close up of a snow covered mountain peak with wind blowing snow off the slope with blue sky and clouds; Kananaskis Country, Alberta, Canada PacificStock
School of Grey reef sharks (Carcharhinus amblyrhynchos) at the surface of the water off the island of Yap; Yap, Micronesia PacificStock
A Swallowtail Butterfly seeks nectar from a butterfly bush; Astoria, Oregon, United States of America PacificStock
Big Creek Bridge from California Route 1 on the Big Sur Coast; Big Sur, California, United States of America PacificStock