Abandoned Engineering — Season 4, episode 5 watch online
Abandoned Engineering, season 4 episode 5 «Tunnel to the Underworld»: air date July 25, 2019. Episode overview, season trailer and the cast of Abandoned Engineering.
A ghostly town in West Virginia that fell victim to the pace of change when steam trains were rendered obsolete. A colossal dry dock structure on the American west coast may now be crumbling but has written itself into military folklore. An elaborate underground complex in Italy that had been abandoned for nearly 2000 years, continues to mystify explorers today. And an island paradise in Costa Rica hiding a grim history of violence within an old, abandoned prison. But how and why were they ever built at all, and why are they now left abandoned?
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Episodes — Season 4
- 1 Episode 1 «The World's Strangest Ghost Town» June 27, 2019
- 2 Episode 2 «Palace of Death» July 4, 2019
- 3 Episode 3 «Guernsey Nazi Towers» July 11, 2019
- 4 Episode 4 «Bodie USA» July 18, 2019
- 5 Episode 5 «Tunnel to the Underworld» July 25, 2019
- 6 Episode 6 «Escobar's Ruin» August 1, 2019
- 7 Episode 7 «Villa De Vecchi Rhodes» October 24, 2019
- 8 Episode 8 «Pyramiden Norway» October 31, 2019
- 9 Episode 9 «Behind the Berlin Wall» November 7, 2019
- 10 Episode 10 «Bannack USA» November 14, 2019
- 11 Episode 11 «Buckner Building Alaska» November 21, 2019
- 12 Episode 12 «1936 Olympic Village Berlin» November 28, 2019