October 6, 2012
Photograph by Cory Richards, National Geographic
This Month in Photo of the Day: National Geographic Magazine Features
To reach a series of caves dug into a cliff 155 feet above the valley floor, Matt Segal scales a rock face so fragile it often breaks off to the touch. Linked by a ledge, the 800-year-old caves, empty now, may once have stored manuscripts.
See more pictures from the October 2012 feature story "Sky Caves of Nepal."
Take a visual tour of Nepal »