10-05Emperor penguin adults and chicks at the Snow Hill Island rookery, Antarctica - Martin Ruegner/Getty Images)
10-04Montage of images of Jupiter and its volcanic moon Io - NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute/Goddard Space Flight Center)
10-03Brown bear in the Brooks River, Katmai National Park and Preserve, Alaska - littleting/Pradthana Jarusriboonchai/Getty Images)
09-29Steeply terraced vineyards of the Lavaux region on the shores of Lake Geneva, Switzerland - Yves Marcoux/plainpicture)
09-27The Fraser River, east of Vancouver, British Columbia, Canada, with the Golden Ears mountains - LeonU/Getty Images)