At the beginning of the trek, we weren't quite acclimatized to the altitude and while we meandered up this mountain to a glacial lake, the Peruvians were sprinting ahead.
—Photographer Brent Stirton
See the feature story "Machu Picchu the Cool Way" in the November 2007 issue of National Geographic Adventure.
+ digg | + del.icio.us | + reddit | + stumbleupon
More Instant ADVENTURE exclusives >>

Subscribe now and save!
