Photo of the Day

climbers along a trail in Nepal
September 28, 2012

Kali Gandaki River, Nepal

This Month in Photo of the Day: Nature and Weather Photos

Climbers and scientists follow a trail above the Kali Gandaki River in Nepal's remote Mustang region. More than 60 feet above are rows of unexplored man-made caves dug centuries ago. There may be thousands in the region.

See more pictures from the October 2012 feature story "Sky Caves of Nepal."

See pictures of Nepal shot by our fans »

Photograph by Cory Richards, National Geographic

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