What on Earth? S10E4
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What on Earth?
S10E04 — Hidden Fortress of Secrets
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What on Earth?

S10E04 Hidden Fortress of Secrets

2021-11-14

Satellites have detected a castle-shaped formation concealed within the forests of Scotland.

Season 10 Episodes

1
Australia's Nuclear Desert
2021-10-24
 2
Viking Warrior Invasion
2021-10-31
 3
Mystery of Apache Mountain
2021-11-07
 4
Hidden Fortress of Secrets
2021-11-14
 5
Code of the Viking Witch
2021-11-21
 6
Mystery of the Cursed Forest
2021-11-28
 7
Secrets of the Roman Occult
2021-12-05
 8
Legend of Moonshine Forest
2021-12-12
 9
Nuclear Ghost Towns
2021-12-19
 10
Lair of the Living God
2021-12-19