Hy-Brasil: Mapping a Mythical Island, a small display in Boston’s Norman B. Leventhal Map Center, explores this history through archival material and contemporary art by Caoimhghin Ó Fraithile ...

This Imaginary Island Appeared in Maps for 500 Years How an island that never existed was printed in dozens of maps for over five centuries. By Avery Thompson Published: Sep 24, 2016 10:00 AM EDT ...

Lake Superior had many large islands in Robert Morden's 1698 map and John Senex' similar map of 1719. Even Guillaume de l'isle's map of 1718 showed an elevated plain.