Skuas take a threatening on ice around Petermann Island.
A land iguana spotted on North Seymour Island in the Galapagos takes a break for a leafy snack.
Adelie penguins playing around on the sea shore of the Antarctic Peninsula.
A polar bear cub plays with it's mother on an ice floe just outside of Edgoya, Norway.
Aerial of Little Diomede Island, with Big Diomede in background.  Located in the Bering Strait, 25 miles northwest of Cape Prince of Wales and 80 miles northwest of Teller. The international boundary between the U.S. and Russia lies between Big and Little Diomede Islands.
Aerial of the twisting Mississippi river between its source at Lake Itasca and Bemidji Lake during sunset hour.
At Lock 19, one of the oldest and one of the few that are 1,200 ft long- long enough to take 15 barges and a tow boat in a single lockage, Keokuk, Iowa
A land iguana spotted on North Seymour Island in the Galapagos takes a break for a leafy snack.
A land iguana spotted on North Seymour Island in the Galapagos takes a break for a leafy snack.
A land iguana spotted on North Seymour Island in the Galapagos takes a break for a leafy snack.
See photo in original gallery.