The Silk Road in Uzbekistan was a caravan route, it was a path for explorers and it was traversed by Soviet-era train tracks. National Geographic Explorer Paul Salopek tells host Carolyn Beeler about this Central Asian country that has been a thoroughfare for explorers, traders and conquerors across the centuries. Salopek crossed the Silk Road on foot, as part of his 24,000 mile Out of Eden Walk.
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