In 1925, the legendary British explorer Percy Harrison Fawcett ventured into the Amazon to find an ancient civilization, hoping to make one of the most important archeological discoveries in history.

Captivating the imagination of millions around the globe, Fawcett headed into the jungle with his twenty-one-year-old son, determined to prove that this place - which he christened simply Z -- existed.

Then he and his expedition vanished...