Archaeologists and historians dedicate their lives to delivering a clearer picture of what life in the past may have looked like. Spending countless hours and resources deciphering the faint clues left behind by ancient civilizations and its long-forgotten residents.
Unfortunately though, sometimes all this effort leads them to dead ends and the secrets of the past, remain hidden. While some might be rather benign and ordinary in their own time, nowadays these places are shroud in mystery. The fascination luring everyone from proclaimed historians to conspiracy theorists, to try to guess the answer.