~ pulling this one off the shelf ~
~ opening this season ~
Underground Marvels · Season 2 — OmList
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← Underground Marvels
Season 2
2021 · 10 episodes
S1
S2
E1
Hotel Bunker of the Apocalypse
Aug 5, 2021
E2
Mystery of the Kentucky Cave
Aug 12, 2021
E3
Cincinnati's Secret Caverns
Aug 19, 2021
E4
Buried Lab of the Black Hills
Aug 26, 2021
E5
Ireland's Underground Alcatraz
Sep 2, 2021
E6
Subterranean Silo Survival
Sep 9, 2021
E7
Italy's Subterranean Secret
Sep 16, 2021
E8
Grand Canyon's Lost Treasure
Sep 23, 2021
E9
Murder Raid Tunnels
Sep 30, 2021
E10
Medieval Maze of Secrets
Oct 7, 2021
← Season 1
~ to be continued ~
