The Hunt for Fenn’s Treasure' follows an epic, real-life treasure hunt — and PEOPLE has an exclusive sneak peek ...

On any given day, you’ll find treasure hunter Terry Shannon waving his metal detector along the coast, looking for remnants of wealth left over from long ago. “Looking for gold or Spanish coins.

This treasure’s locked up. This Avowed guide shows where to find the Dead Man’s Mail map, where to look for the treasure, and how to get it safely. This map is easy to miss unless you’re ...