When it's OK to say "OH SH*T"...
The 27 Incredible Once In A Lifetime Shots
20 Very Interesting Photos From The '30s
Animals Illuminated by the Sun
The time of sunset is defined in astronomy as the moment when the trailing edge of the Sun's disk disappears below the horizon in the west
Top 100 Photos of the Year 2012
Note the photographs themselves were not necessarily taken in 2012, they just happened to be featured as a POTD this year. The pictures are also listed in reverse chronological order. There is no ranking amongst the photos :). Enjoy!. 100. CHICAGO FR...
World Of Mysteries: 40 Of The Most Powerful Photographs...
National Geographic Photo Contest 2011
National Geographic is currently holding its annual