Abandoned Engineering
Season 9 Episode 12 - Niagara's Hidden Marvel
7.4 ?
2017
Documentary
Exploring a royal retreat caught in a web of corruption, an engineering marvel hidden behind the Niagara Falls in Canada, and a subterranean treasure.
Episodes in Season 9
1
Megalomaniac's Palace
44 min
2
Jungle Fantasy Land
44 min
3
The Beached Leviathan
44 min
4
Tunnel of Terrors
44 min
5
Apocolyptic Skyscraper
44 min
6
Ruins of Empire
43 min
7
Trouble In Paradise
44 min
8
Experiments of War
43 min
9
Ancient Encounter
43 min
10
Alien Contact
44 min
11
Treasures To Die For
44 min
12
Niagara's Hidden Marvel
44 min
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