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    Underworld
    Underworld
    Documentary

    Underworld

    Embark on a journey deep into the unknown 95% of our planet revealing extraordinary caves with 3D laser-scanning technology.

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    Created By

    Status

    Ended

    Original Name

    Underworld

    First Air Date

    December 29, 2021

    Last Air Date

    December 29, 2021

    Seasons

    1

    Episodes

    5

    Language

    —

    Production Companies

    Networks

    CuriosityStream

    China
    S01E05

    China

    Underworld: China uncovers the secrets of China’s giant caves. A team maps Cloud Ladder Hall showing how its size creates an underground weather system.

    View Episodes