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.