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