Despite the largest manhunt in the history of the Smoky Mountains National Park, no trace of the missing six-year-old has ever been found
One of the world’s leading aviators, Amy Johnson disappeared in strange circumstances after flying off-course in 1941
Hebrideans have long claimed the remote Flannan Isles to be haunted, but what caused the strange disappearance of three lighthouse keepers there in 1900?
One of history’s most notorious ‘ghost ships’, what caused the crew of the Mary Celeste to abandon their largely undamaged ship and disappear?
Were dingoes responsible for the death of British tourist on Fraser Island?
A member of the most powerful family in American history went missing in Papua New Guinea close to a region known to be inhabited by cannibal tribes
In July 2013, a hiker went missing from the well-defined Appalachian Trail in Southern Maine after losing her bearings. She would remain missing for over two years until a forestry worker made a grim discovery