Jaw-dropping photo of the Alpstein, Eastern Switzerland. The Alpstein are a subgroup of the Appenzell Alps in Switzerland. The Alpstein massif is in Appenzell Innerrhoden, Appenzell Ausserrhoden and St. Photo: Urban Thaler on
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.