Can the island's fabled biodiversity be saved?

Cavers in Mexico confront extremes of heat and beauty.

Modernity looms for the Sierra Madre's Tarahumara.

Once a year, the behemoths come ashore to mate.

A former logger helped preserve a vast wild land.

Editor in Chief Chris Johns writes about a controversy over light in a rural town.

"Indeed, the Sarawak jungle is better protected than our forests," claimed Harrison W. Smith in his 1919 article.

Decorate your desktop with beautiful images from this month's issue of the magazine.

See last year's winners and submit photos for the 2008 contest.

Each month, National Geographic features breathtaking photographs in Visions of Earth.

Submit your photo, check out Your Shot jigsaw puzzles, and see reader photos published in National Geographic.