The patched area under fluorescent light. (AP Photo/British Museum)
A map named "La Virginea Pars" painted by explorer John White between 1585-1586 shows a patch stuck to the map which could be a clue to understand what happened to the Roanoke settlement which disappeared after White sailed back to England.
The Original Map (AP Photo/British Museum)
You can read read full story here and watch a very informative video.