Percy Fawcett was a man obsessed. A fearless British explorer, he believed in the existence of a lost city deep in the Amazon rainforest-an ancient civilization he called Z. In 1925, he set out on what should have been his greatest discovery, venturing into the heart of the jungle with his son and a small expedition team. But then, the world heard nothing.

No letters. No distress signals. No bodies.

Fawcett and his team vanished without a trace. Theories have swirled for nearly a century. Did they succumb to disease? Were they attacked by hostile tribes? Or-more chillingly-did they find something so incredible that they never wanted to leave?

His story has inspired books, films, and endless speculation. But the ultimate question remains: What really happened to Percy Fawcett in the depths of the Amazon?