Even today there remain tribes in the far reaches of the Amazon rainforest that have avoided contact with modern civilization. Deliberately hiding from the outside world, they are the unconquered, the last survivors of an ancient culture that predates the arrival of Columbus. Journalist Scott Wallace chronicles an expedition into the Amazon's uncharted depths, discovering the rainforest's secrets while moving ever closer to a possible encounter with...

The explorer and conservationist relives his amazing odyssey exploring the heart of the most biodiversity-rich place on the planet -- the Madre de Dios (Mother of God) region of Peru, where the Amazon River begins its massive flow from the Andean mountain cloud forests into the lowland Amazon rainforest.

A sweeping chronicle of the brave and hardy souls, ranging from the Spanish seafarer Vicente Pinzon, who discovered the Amazon River, to contemporary heroes and heroines, like Sister Dorothy Stang and Chico Mendes, whose efforts to save the rain forest cost them their lives.