John Henry's Lost Hammer (S01E37)

S01E01 Lawrence of Arabia's Headdress S01E02 The Golden Jaguar of Atahualpa S01E03 The Codebook of Mata Hari S01E04 The Trojan Horseshoe S01E05 The Treasure Map of Jean Lafitte S01E06 The Lucky Pot-Bellied Pig of Amelia Earhart S01E07 The Mask of Shaka Zulu S01E08 The Treasure of Anne Bonny S01E09 The Moccasins of Geronimo S01E10 The Golden Chains of Zenobia S01E11 The Pendant of Kamehameha S01E12 King Tut's Cobra Staff S01E13 The Paintbrush of Leonardo da Vinci S01E14 The Medal of Sir Edmund Hillary S01E15 Pecos Bill's Lost Lariat S01E16 The Star of Sultan Saladin S01E17 The Stolen Arm of Shiva S01E18 Galileo's Cannonball S01E19 The Stone Marker of Leif Erikson S01E20 John Sutter and the Map to the Lost Gold Mine S01E21 The Collar of Davy Crockett S01E22 Alexander and the Gordian Knot S01E23 The Belly Button of Buddha S01E24 The Snake Bracelet of Cleopatra S01E25 The Golden Cup of Belshazzar S01E26 The Oracle Bowl of Delphi S01E27 Elizabeth I's Golden Ship S01E28 The Lost Logbooks of Magellan S01E29 The Keys to the Alhambra S01E30 Blackbeard's Treasure Map S01E31 Henry VIII's Great Seal S01E32 Robin Hood and Maid Marian's Silk Ladder S01E33 The Dragon Lady and the Blue Pearl S01E34 The Silver Saddle Horn of Hannibal S01E35 Ponce de León and the Lost Fountain of Youth S01E36 Wild Bill Hickok and the Dead Man's Hand S01E37 John Henry's Lost Hammer S01E38 The Helmet of Joan of Arc S01E39 The Golden Cricket Cage of Khan S01E40 The Helmet of Genghis Khan