What on Earth?

America's Swamp Castle

Documentary Apr 8, 2021 41 min iTunes

Available on Investigation Discovery, Food Network, Science Channel, Discovery, TLC, Travel Channel, HGTV, Prime Video, discovery+, Hulu, Sling TV, Max, Animal Planet, Philo, AHC GO, Destination America GO, Discovery Life GO, Cooking Channel

S9 E5: 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.

Documentary Apr 8, 2021 41 min iTunes

TV-PG

Information

Released: 2021
Run Time: 41 min
Rated: TV-PG

Languages

Original Audio: English
Audio and Subtitles: English (United States) (AAC, CC)

Accessibility

: Closed captions (CC) refer to subtitles in the available language with the addition of relevant non-dialogue information.