This Month in Photo of the Day: National Geographic Magazine Facing the dawn, women of the An-Nadzir commune begin Islam’s Feast of the Sacrifice, which celebrates the Koran’s account of God sparing the prophet Ismail. As the sun rises, their prayers join those raised by a chorus of Indonesia’s Muslims, fundamentalist and moderate alike: "Allah akbar." God is great. See more photographs from the October 2009 feature story "Indonesia."

This Month in Photo of the Day: National Geographic Magazine As sure as moonrise over Possession Island, king penguins gather each year for "ecstatic display." Puffing their chests, lifting their heads, and belting out calls, birds of both sexes advertise themselves. Before long, pairs form and join a crowd, and breeding season is on. See more photographs from the September 2009 feature story "Every Bird a King."

This Month in Photo of the Day: National Geographic Magazine A feeding party streams back to shore after several days at sea. Their orange markings, long, slender bills, and hefty, three-foot-long bodies distinguish them as king penguins. With bellies full of small fish, they will regurgitate a portion for waiting chicks. See more photographs from the September 2009 feature story "Every Bird a King."

This Month in Photo of the Day: National Geographic Magazine A tagged northern spotted owl swoops toward a researcher’s lure in a young redwood forest. See more photographs from the October 2009 feature story "Redwoods."

This Month in Photo of the Day: Animals I was taking close-ups of one of the cubs lying in the water when I noticed mom approaching from the side. I waited until the cub showed between mom's legs and was able to get a pretty neat and different photo. This photo and caption were submitted to the 2008 International Photo Contest. See photo galleries, play jigsaw puzzles, and download wallpapers of images from more than 105,000 submissions.

This Month in Photo of the Day: Animals Profile of a lion in the Zoo. This photo and caption were submitted to the 2008 International Photo Contest. See photo galleries, play jigsaw puzzles, and download wallpapers of images from more than 105,000 submissions.

This Month in Photo of the Day: Animals Macaque monkeys on Mt. Misen, Miyajima Island, Japan, embrace their young and the old. This shows that monkeys may have tighter family units than us humans. This photo and caption were submitted to Your Shot. Have a great shot? Send it to us for possible publication in National Geographic magazine.

This Month in Photo of the Day: Animals The palm-size bog turtle, smallest in the country, now survives mostly on private lands. Adapted to soggy soils, the species suffers where wetlands are filled or groundwater is diverted. See more photographs from the January 2009 feature story "Last One."

This Month in Photo of the Day: National Geographic Magazine Father Sevastyan meditates on the Gospels at Svyato-Kazansky hermitage, one of many Russian Orthodox communities resurrecting across the land. See more photographs from the April 2009 feature story "Soul of Russia."

This Month in Photo of the Day: Images From the 2008 International Photo Contest My friend's daughter is a ham, and I happened to be in the right place at the right time. Cassidy likes to make a heart shape with her hands and peek. See winners' galleries, solve puzzles, and download wallpaper from the 2008 International Photo Contest.