210 Intrepid Adventurers: Richard Starks & Miriam Murcutt; Harry Rutstein & Marco Polo

Richard Starks and Miriam Murcutt's assignment to chart a strange river in the jungles of Venezuela turned into an adventure complete with poisoned arrows and guerilla kidnappers that almost did them in. Also, Harry Rutstein shares his three expeditions retracing Marco Polo's legendary trade route to China.