National Geographic Editors' Favorites from Photo Contest 2012
A round up of some of the best photo entries
2012 National Geographic Photography Contest
"Hagia Sophia Museum." Hagia Sophia in Istanbul, Turkey, is a museum that originally served as church and then a mosque. Rebuilt in 537 AD after the first two churches on this site were destroyed, it was converted into a museum in 1935. (Melih Sular/National Geographic Photo Contest)
