The mysterious Piri Reis map was drawn in 1513—centuries before Antarctica was officially sighted. Some believe its strange southern coastline depicts an ice-fr

The mysterious Piri Reis map was drawn in 1513—centuries before Antarctica was officially sighted. Some believe its strange southern coastline depicts an ice-free Antarctica. Others say it shows something entirely different. So what did Piri Reis actually map? [▻](https://video.twimg.com/ext_tw_vi…