Extras

    Video thumbnail: NOVA Sneak Peek: Easter Island

    NOVA

    Sneak Peek: Easter Island

    What caused the vast deforestation of Easter Island?

    Sneak Peek: Easter Island

    Video thumbnail: NOVA Mystery of Easter Island Preview

    NOVA

    Mystery of Easter Island Preview

    A team of scientists and volunteers test a theory on how these ancient statues were moved.

    Mystery of Easter Island Preview