National Geographic Explorer Paul Salopek has covered a lot of ground: some 14,000 miles — on foot — through 21 countries so far on his now 11-year-long Out of Eden Walk. And because he’s exploring the Earth at a walker’s pace, he can see things people miss when traveling by plane, rail or car. Salopek tells Host Marco Werman about surprising places only a walker would discover.

This story originally aired on April 9, 2025.