What on Earth? Season 10 Episode 4 - Mystery of Apache Mountain

Airdate: 2021-Nov-07

Episode summary:

Satellite images capture mysterious stone structures spread across high elevations of the Arizona mountains; experts investigate and uncover ruins of a 19th century Apache fortification linked to the most treacherous migrant route in U.S. history.

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 >