Hidden Fortress of Secrets (S10E04)
S10E04
Satellites have detected a castle-shaped formation concealed within the forests of Scotland.
Show
What on Earth?
Episode
S10E04
Air Date
Nov 14, 2021
Season 10 Episodes
S10E01
Australia's Nuclear Desert
S10E02
Viking Warrior Invasion
S10E03
Mystery of Apache Mountain
S10E04
Hidden Fortress of Secrets
S10E05
Code of the Viking Witch
S10E06
Mystery of the Cursed Forest
S10E07
Secrets of the Roman Occult
S10E08
Legend of Moonshine Forest
S10E09
Nuclear Ghost Towns
S10E10
Lair of the Living God