E01 · Once There Was a Flood 31m
11/11/2022
Graham visits Gunung Padang, an Indonesian archeological site, to find proof of a lost civilization — and the potential cataclysm that wiped it out.
E02 · Stranger in a Time of Chaos 33m
11/11/2022
In Cholula, Mexico's oldest continuously-inhabited city, the journalist inspects the world's largest pyramid for signs of a forgotten past.
E03 · Sirius Rising 31m
11/11/2022
Graham discovers a fascinating pattern that may connect the spectacular megalithic temples of Malta, which he believes to be much older than reported.
E04 · Ghosts of a Drowned World 30m
11/11/2022
Few scholars have investigated the Bimini rock formation off the coast of Miami, once fabled to be the road to Atlantis — but Graham dives right in.
E05 · Legacy of the Sages 32m
11/11/2022
At Göbekli Tepe, the oldest known megalith in the world, Graham questions if simple hunter-gatherers alone could have built such an advanced structure.
E06 · America's Lost Civilization 33m
11/11/2022
Graham visits ancient mounds in North America and wonders if they contain astronomical significance — or even warnings of an apocalyptic climate event.
E07 · A Fatal Winter 29m
11/11/2022
The author returns to Turkey to explore Derinkuyu, an ancient underground city and survival bunker that could shelter thousands in times of crisis.
E08 · Cataclysm and Rebirth 32m
11/11/2022
In the ancient geological sites of North America, Graham envisions an apocalyptic event that may have changed the Earth — and its inhabitants — forever.