Examination of a map held by British Museum, created in 1585 by Roanoke governor John White, has revealed what some believe is a new clue to what happened to the Roanoke "Lost Colony". Researchers have examined the area beneath two patches attached to the map. One of these patches appears to be a simple correction to the map, but underneath the other patch is a symbol denoting a fort. The patches appear to be contemporaneous with the rest of the map, and American and British scholars believe the fort symbol could indicate where the settlers went.
Full article at The Telegraph (http://www.telegraph.co.uk/science/science-news/9244947/Ancient-map-gives-clue-to-fate-of-Lost-Colony.html)