What on Earth? - Full Series Information, Trailer & IMDb Reviews
What on Earth? Season 10 Episode 4

Episode Title: Mystery of Apache Mountain
Genre:
Documentary
Countries:
,
Airing Date: November 7, 2021
Runtime:60 mins
IMDb Rating:

Watch What on Earth? Season 10 Episode 4 online — it may be available on legal streaming platforms such as YouTube, Netflix, Prime Video, Hulu, Disney+, and others.
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.