Underground Marvels
tv show
20 total episodes
-
2 seasons
First Aired October 17, 2019
Genres:
Overview
Historians, engineers, and experts take a look at the underground structures, systems, and phenomena that exist beneath our feet.
Season 2
10 episodes
Air Date
August 05, 2021
Hotel Bunker of the Apocalypse
Episode 1 - 45m
August 05, 2021
Mystery of the Kentucky Cave
Episode 2 - 45m
August 12, 2021
Cincinnati's Secret Caverns
Episode 3 - 45m
August 19, 2021
Buried Lab of the Black Hills
Episode 4 - 45m
August 26, 2021
Ireland's Underground Alcatraz
Episode 5 - 45m
September 02, 2021
Subterranean Silo Survival
Episode 6 - 45m
September 09, 2021
Italy's Subterranean Secret
Episode 7 - 45m
September 16, 2021
Grand Canyon's Lost Treasure
Episode 8 - 45m
September 23, 2021
Murder Raid Tunnels
Episode 9 - 45m
September 30, 2021
Medieval Maze of Secrets
Episode 10 - 45m
October 07, 2021
