Interested to hear opinions and more information on the Piri Reís Map which is alleged to show Antarctic land masses well before they were said to be void of ice. This is just an open ended prompt for dialogue on facts and opinions about this fascinating window into our cartographic history.
I suggest [this great answer] (https://www.reddit.com/r/AskHistorians/comments/7vhw7j/how_it_is_possible_piri_reis_map_depict/) by /u/mikedash explaining why theory that Piri Reis map shows Antarctica is really hogwash