The fate of Sir Walter Raleigh's 1587 "Lost Colony" on Roanoke Island has been one of the most enduring mysteries in the history of European settlement in North America. For generations, writers, scholars, and others have speculated about the disappearance of more than one hundred colonists, whose only obvious clue left behind was the word "CROATOAN" carved on the palisade of the settlement. But in the early 1990s, archaeologists at Roanoke opened fresh lines of inquiry, and in 2012 the search for evidence gained new momentum when a reexamination of an Elizabethan map revealed a hidden...