S11 E5 ∙ The True Cross ∙

Exploring Old Byron Hot Springs in the Californian desert - a once glittering Hollywood hotspot, converted into a top-secret interrogation centre.

Series Selector for Abandoned Engineering

All episodes for series 11 of Abandoned Engineering

S11 E6 · Wonderland

A symbol of national pride that became a symbol of excess in the Turkish capital - Ankara.