National Geographic's Paul Salopek talks sea crossings

National Geographic Explorer Paul Salopek has traveled plenty of miles on foot since 2013 when he began his long walking journey across the globe. But he's also traversed a number of sea crossings, as well. We revisit Salopek's conversation with Host Marco Werman about those sea crossings, the types of ships he took and the people he met along the way.

This story originally aired on April 28th, 2025.