Playing on:
- S1.E1 ∙ Gibraltar
- S1.E2 ∙ Sweden
- S1.E3 ∙ Switzerland
- S1.E4 ∙ Kingdom of Salt
- S1.E5 ∙ Bouzincourt
- S1.E6 ∙ City of Naours
- S1.E7 ∙ Jersey War Tunnels
- S1.E8 ∙ The Maginot Line
- S1.E9 ∙ Edinburgh Vaults
- S1.E10 ∙ Dover War Rooms
- S2.E1 ∙ Hotel Bunker of the Apocalypse
- S2.E2 ∙ Mystery of the Kentucky Cave
- S2.E3 ∙ Cincinnati's Secret Caverns
- S2.E4 ∙ Buried Lab of the Black Hills
- S2.E5 ∙ Ireland's Underground Alcatraz
- S2.E6 ∙ Subterranean Silo Survival
- S2.E7 ∙ Italy's Subterranean Secret
- S2.E8 ∙ Grand Canyon's Lost Treasure
- S2.E9 ∙ Murder Raid Tunnels
- S2.E10 ∙ Medieval Maze of Secrets
Underground Marvels (2019)
British documentary series exploring incredible feats of human endeavour underground, revealing what people have built, where they have built it, how and why.
Genre: Documentary
Actor:Chris Jarman , Jason Desporte
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