What on Earth? Season 9 Episode 5 America's Swamp Castle

TVPG
April 8, 2021
42 min

Satellite images capture bizarre structures in the remote and inhospitable swamplands of Louisiana; experts investigate a forgotten war-torn fortress with a mysterious connection to the sinking ruins of a classified military installation.

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What on Earth?, Season 9 Episode 5, is available to watch and stream on Science Channel. You can also buy, rent What on Earth? on demand at Max, Discovery+, Prime Video, Philo, Amazon, Hulu, Fandango at Home, Science Channel, Microsoft Movies & TV, Sling, Google Play, Apple TV Store online.