When did Abandoned Engineering Season 15 Episode 11 air?
Abandoned Engineering Season 15 Episode 11 aired on February 4, 2026 at 8 PM GMT.


Ambitious engineering projects that have been left in ruins.
These are some of the most spectacular examples of abandoned engineering the world has ever known. The series explores how and why they were built, consider the financial and social costs of their failure and examine the environmental and ecological impacts. The series also explores how experts came up with plans to make something beautiful or useful from the ruins.

Exploring a secret New Jersey facility infiltrated by a Soviet spy ring, an island stronghold besieged by the Nazis, and a palatial compound in Peru frequented by the country's elite.
Direct answers for episode-level questions and details.
Abandoned Engineering Season 15 Episode 11 aired on February 4, 2026 at 8 PM GMT.
This episode runs for approximately 44 minutes.
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