For centuries, would-be explorers have examined a document written in 1753 rumored to hold the key to locating the so-called Lost City of Z, a fortified settlement containing many treasures and built entirely of gold. Thought to be buried somewhere within the Mato Grosso region of the Amazon rainforest, the lure of the vanished riches has long proven deadly to treasure-seekers who brave the forbidding wilderness and mysterious creatures in search...