America's Unexplained Mystery: The Fate of Roanoke
One sunny/bright/clear afternoon in the late 1580s/1590, a small colony/115 settlers/a group of adventurers on Roanoke Island vanished without a trace/clue/whisper. This event, known as the Lost Colony of Roanoke, has vanished settlers haunted/baffled/puzzled historians and amateur sleuths/investigators/enthusiaists for centuries/generations/decade