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What on Earth?: Season 10

10x04 Hidden Fortress of Secrets
TV-14

Episode

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IMDB TMDB

Aired2021-11-15T02:00:00Z on Science
Runtime44m
CountryUnited States
LanguagesEnglish, French, German
GenresDocumentary

Satellites capture a castle-like structure hidden in Scottish woodlands.

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Season Regulars
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