A Fatal Winter

1Once There Was a Flood

31 minNov 11, 2022★ 6.9

Graham visits Gunung Padang, an Indonesian archeological site, to find proof of a lost civilization — and the potential cataclysm that wiped it out.

2Stranger in a Time of Chaos

33 minNov 11, 2022★ 7.0

In Cholula, Mexico's oldest continuously-inhabited city, the journalist inspects the world's largest pyramid for signs of a forgotten past.

3Sirius Rising

31 minNov 11, 2022★ 6.7

Graham discovers a fascinating pattern that may connect the spectacular megalithic temples of Malta, which he believes to be much older than reported.

4Ghosts of a Drowned World

30 minNov 11, 2022★ 6.5

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.

5Legacy of the Sages

32 minNov 11, 2022★ 6.5

At Göbekli Tepe, the oldest known megalith in the world, Graham questions if simple hunter-gatherers alone could have built such an advanced structure.

6America's Lost Civilization

33 minNov 11, 2022★ 6.8

Graham visits ancient mounds in North America and wonders if they contain astronomical significance — or even warnings of an apocalyptic climate event.

7A Fatal Winter

29 minNov 11, 2022★ 6.8Now viewing

The author returns to Turkey to explore Derinkuyu, an ancient underground city and survival bunker that could shelter thousands in times of crisis.

8Cataclysm and Rebirth

32 minNov 11, 2022★ 6.8

In the ancient geological sites of North America, Graham envisions an apocalyptic event that may have changed the Earth — and its inhabitants — forever.