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What on Earth?
Season 10 • Episode 4 • Hidden Fortress of Secrets
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What on Earth? Season 10, Episode 4: Hidden Fortress of Secrets
Satellites capture a castle-like structure hidden in Scottish woodlands. Watch What on Earth? Season 10, Episode 4 Hidden Fortress of Secrets in HD free online. Enjoy high-quality streaming of What on Earth? Season 10, Episode 4 and share your thoughts in the comments below!
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Episodes
10 episodes
Australia's Nuclear Desert
Satellite images capture a giant symbol mysteriously carved into the expanse of Australia's Great Victoria Desert; an investigation reveals a secret nuclear weapons-testing cover-up by the British government with numerous aboriginal casualties.
44 min
Viking Warrior Invasion
Satellites capture bizarre circular structures in the forests of England.
44 min
Mystery of Apache Mountain
Satellites capture mysterious stone objects across the Arizona mountains.
44 min
Hidden Fortress of Secrets
Satellites capture a castle-like structure hidden in Scottish woodlands.
44 min
Code of the Viking Witch
Satellites capture rocks in the shape of a fingerprint on a Swedish island.
44 min
Mystery of the Cursed Forest
Satellites capture a bizarre pattern of circles in a remote English forest.
44 min
Secrets of the Roman Occult
Aerial imaging captures a complex of ancient Roman buildings in Yorkshire.
44 min
Legend of Moonshine Forest
Satellites capture a gigantic oval carved into the forests of New Jersey.
44 min
Nuclear Ghost Towns
Satellites capture a mysterious collection of ghost towns in Belarus.
44 min
Lair of the Living God
Satellites capture a cone-like structure in the mountains of Turkey.
44 min