Secrets of the Dead

Graveyard of the Giant Beasts

Season 15 Episode 6 | 55m 10s | Video has closed captioning.

A mining operation in Cerrejon, Northern Colombia, opened a window onto a previously unknown period of the earth’s history and a world teeming with giant creatures emerged. The biggest of all was Titanoboa a 43-foot snake, the largest that ever lived. But new discoveries in Cerrejon suggest that Titanoboa’s rule was challenged by a giant crocodilian.