Big Snapshot

Small worlds come to life in microscope photos

Rare photos capture daily life of Serengeti lions

Is this a movie set or just firefighting practice?

Wild Chincoteague horses go for a swim

15 of National Geographic's most iconic photographs

14 thrilling moments in the 100th Tour de France

Travel photos take center stage in Nat Geo photo contest

10 dazzling shots of the supermoon

Summer's here: Kids jump for joy

Fuzzy penguin chick makes debut

Misty wetlands greeted by sunrise

Epic lightning bolt strikes America's tallest skyscraper