TV
Documentary series investigating why some of the world's most advanced architectural achievements were abandoned.
Last Episode Aired
2026-03-25
S13E12 — Churchill's Shadow War
A London tunnel complex from World War II and a New Jersey aviation disaster site are explored; the tour includes a former English industrial center and an Italian forest with unmarked graves.
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Stream
HBO Max Amazon Channel
Philo
Discovery+ Amazon Channel
YouTube TV
Science Channel
HBO Max
Discovery +
HBO Max Amazon Channel
Philo
Discovery+ Amazon Channel
YouTube TV
Science Channel
HBO Max
Discovery +
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Amazon Video
Apple TV Store
Google Play Movies
Fandango At Home
Amazon Video
Apple TV Store
Google Play Movies
Fandango At Home
Availability data provided by JustWatch via TMDB
Billed Cast
Kasper Michaels
Narrator (voice)
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