Season 13

Season 13 episodes2026-02-11

Season 13

Documentary series investigating why some of the world's most advanced architectural achievements were abandoned.

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Episodes

Season 13

Episode 1

Blood Wedding

Runtime unavailable

Episode 2

The Island of No Return

Runtime unavailable

Episode 3

The Beer Riot

Runtime unavailable

Episode 4

Do-Over Ranch

Runtime unavailable

Episode 5

D-Day Castle

Runtime unavailable

Episode 6

Japan's Poison Island

Runtime unavailable

Episode 7

The Nazis' Last Stand

Runtime unavailable

Episode 8

Agent Zigzag

Runtime unavailable

Episode 9

Cold War Cover-Up

Runtime unavailable

Episode 10

The Invisible Enemy

42m

Episode 11

Fort Traitor

42m

Episode 12

Churchill's Shadow War

42m