Extras

Video thumbnail: Secrets of the Dead Which giant animal was the apex predator?

Secrets of the Dead

Which giant animal was the apex predator?

Follow scientists trying to determine which giant animal was the apex predator

Which giant animal was the apex predator?

Video thumbnail: Secrets of the Dead Discovery of the giant snake, Titanoboa

Secrets of the Dead

Discovery of the giant snake, Titanoboa

Experts examined the bones of a giant snake they discovered at the Cerrejón mine.

Discovery of the giant snake, Titanoboa

Video thumbnail: Secrets of the Dead Graveyard of the Giant Beasts: Preview

Secrets of the Dead

Graveyard of the Giant Beasts: Preview

Follow scientists trying to determine which giant animal was the apex predator

Graveyard of the Giant Beasts: Preview

Video thumbnail: Secrets of the Dead Bite force of the Cerrejón crocodile

Secrets of the Dead

Bite force of the Cerrejón crocodile

Scientists estimate the power of the Cerrejón crocodile's monstrous bite

Bite force of the Cerrejón crocodile