The mountains are calling and I must go, and I will work on while I can, studying incessantly.

- John Muir

National Geographic Fellow and journalist Paul Salopek has set out on a decade-long mission: a 21,000-mile odyssey to retrace the footsteps of our ancestors' migration.

Two years behind schedule—and contented in that—these are his lessons so far. (more…)

By using this website you agree to our cookie policy and privacy policy.