Nat Geo at 125

El Paso, Texas, 1939                                     Luis Marden/National Geographic

The iconic National Geographic turns 125 this year, and to celebrate, it's put together some of its best photographs ~ including, of course, that mesmerizing one of the Afghan girl in a Pakistan refugee camp (slideshow, videos, related links): http://www.mnn.com/earth-matters/wilderness-resources/photos/celebrating-125-years-of-epic-photography/iconic-images