

Hidden in the Amazon
Secrets of the Dead is part detective story, part true-life drama that unearths evidence from around the world, challenging prevailing ideas and throwing fresh light on unexplained events.

Hidden in the Amazon
Season 20 Episode 4 | 55m 15s | CC
Recent discoveries and technological advances are shedding new light on our understanding of pre-Columbian societies in the Amazon. Scientists speculate the rainforest was home to between 8 and 10 million people living in large, well-established communities.