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Underground Marvels Season 1 Episode 1

Secrets of the Rock

A hidden, subterranean city built within the Rock of Gibraltar was an immense fortress to control the seas during World War II, and new discoveries reveal the secrets of a long-lost chamber with evidence of high-stakes espionage.

Oct. 17, 2019

1 - 10
Curse of Cannibal CavesDec. 26, 2019
1 - 9
Conspiracy in the Buried CityDec. 19, 2019
1 - 8
Ghosts of the Hell MazeDec. 12, 2019
1 - 7
Treasures of the Lost MineDec. 05, 2019
1 - 6
World's Biggest LabyrinthNov. 21, 2019
1 - 5
Cave of the Body SnatchersNov. 14, 2019
1 - 4
The Renegade's LairNov. 07, 2019
1 - 3
Secrets of the Terror TunnelsOct. 31, 2019
1 - 2
Mystery of the Lost LabyrinthOct. 24, 2019
1 - 1
Secrets of the RockOct. 17, 2019