Lost places: Atlantis -- The Temple of Solomon -- The library of Alexandria -- Camelot -- El Dorado -- Lost artefacts, works and relics: The Ark of the Covenant -- The lost Dialogues of Aristotle -- The Holy Grail -- Shakespeare's lost plays -- Lost treasure: The treasure of the Dead Sea scrolls -- King John's jewels -- The treasure of the Knights Templar -- Montezuma's hoard -- Captain Kidd's buried treasure -- The Oak Island money pit -- Lost people: The lost army of Cambyses -- Boudicca's grave -- The tomb of Genghis Khan -- The lost colony of Roanoke -- Amelia Earhart's last flight -- Lost wrecks: The Persian invasion fleets -- The White Ship -- Treasure galleons of the 1715 plate fleet -- The Franklin expedition.