The Silk Road, the ancient trading route that spanned from Asia toward the West, is where we find journalist Paul Salopek these days. Salopek began his "Out of Eden" walk four years ago in Ethiopia.

The Silk Road was a network of land and sea-based trade routes that connected parts of the African, Asian, and European continents. The network enabled trade-items such as fabrics, spices ...

A traditional sheepskin coat blows in the wind in Turtkul, Uzbekistan, on a highway that follows the ancient Silk Road. It wasn’t a single road but a network of commercial routes that once ...