America's Lost Civilization
- Episode aired Nov 11, 2022
- 33m
Graham heads to America, to investigate its mysterious ancient mounds that show a sophisticated knowledge of astronomy. Does the ancient "Serpent Mound" in Ohio suggest a date for the Ancien... Read allGraham heads to America, to investigate its mysterious ancient mounds that show a sophisticated knowledge of astronomy. Does the ancient "Serpent Mound" in Ohio suggest a date for the Ancient Apocalypse - and what caused it?Graham heads to America, to investigate its mysterious ancient mounds that show a sophisticated knowledge of astronomy. Does the ancient "Serpent Mound" in Ohio suggest a date for the Ancient Apocalypse - and what caused it?