Engineering from Above
S1 E1 | Fortresses
0h 47m|Documentary|HIST|History Channel|2026
Explore a massive defensive wall surrounding a historic Colombian city and see how a series of eerie metal structures protected the English coast during WW II; then visit a vast underground refuge in Turkey designed to protect tens of thousands.
GENREDocumentary
DETAILSNetwork: History Channel
Runtime: 47m