Secret History of Gold National Geographic Explorer : Season 23 Episode 4

Here are the stories of people in pursuit of that most precious metal; gold. A prospector gathers tiny specks of gold in the Peruvian rain forest. Dubai grows into a global gold trading center. A treasure hunter is on the trail of lost Spanish gold plundered form the Incas. And an investigator pursues the gold previously pursued by the perpetrators of the Brinks Mat gold robbery.