This is an awesome picture. Supercell Thunderstorm by Sean Heavey, nationalgeographic: A supercell thunderstorm rolls across the Montana prairie at sunset. This was a winning shot in the 2010 National Geographic Nature Gallery Photo Contest.
The Chaiten volcano erupts during storms in the middle of the night on May 2008 in Chaiten, Chile. The Chaiten volcano, located some 800 miles south of the capital Santiago, was considered dormant since it had not erupted for hundreds of years.
This pic is real. A polar bear came for multiple days to play with the dogs of a sled team. When the bear first arrived the owner of the dogs thought they were goners. Never once did the bear harm the dogs.
The Northern Lights dancing across the horizon were photographed in Britain. The aurora borealis are rarely seen in the UK, but specialist photographer Reed Ingram Weir took this photograph on the near Alnwick Northumberland.