Underground Marvels 2019

Historians, engineers, ​and experts take a look at the underground structures, systems, and phenomena that exist beneath our feet.

  • Poster for Season 1

    Season 1

    2019

    10 episodes

    Season 1 of Underground Marvels premiered on October 17, 2019.

  • Poster for Season 2

    Season 2

    2021

    10 episodes

    Season 2 of Underground Marvels premiered on August 5, 2021.