What on Earth? Season 10 Episode 5 - Hidden Fortress of Secrets

Airdate: 2021-Nov-14

Episode summary:

Satellite images capture a strange castle-like structure hidden in Scotland's dense and remote woodlands; expert archaeologists investigate and uncover an area with a bloody history linked to the birthplace of the world's oldest secret society.

About What on Earth? series:

What on Earth? is a documentary series using satellite images of strange geological occurrences and man-made structures on Earth to examine such ma...Show more >