In 1513, an Ottoman admiral drew a map that shouldn’t exist.

The Piri Reis Map charts parts of South America, Africa—and possibly even Antarctica—centuries before they were officially discovered. Based on lost sources and ancient knowledge, the map has baffled historians, geographers, and conspiracy theorists alike. How could a 16th-century sailor map lands no one had explored? Was it guesswork, ancient science... or something deliberately erased from history?

In this episode of Mysteries and Backstories, we unravel one of the strangest cartographic enigmas ever found. Dive into the story of a map that defies explanation—and the secrets that may have died with it.