Steve McCurry's iconic photograph of a young Afghan girl in a Pakistani refugee camp appeared on the cover of National Geographic magazine's June 1985 issue and became the most famous cover image in the magazine's history. Steve McCurry/Courtesy of National Geographic hide caption

itoggle caption Steve McCurry/Courtesy of National Geographic

Swedish photographer Paul Hansen did not artificially manipulate his prize-winning picture "Gaza Burial," the World Press Photo Foundation said Tuesday. Critics had said the image was a composite of several photos. AFP/AFP/Getty Images hide caption

itoggle caption AFP/AFP/Getty Images

After hearing people shout that a woman was about to jump from a burning building, photographer Amy Weston snapped this image of the woman's leap to safety. Amy Weston/WENN hide caption

itoggle caption Amy Weston/WENN

When it comes to building Rube Goldberg machines, there are no limits. Well, as long as you can get it to work... calramen/flickr hide caption

itoggle caption calramen/flickr