What on Earth?
Mystery of Apache Mountain (10x3)
Air date: Nov 07, 2021
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.
- Premiered: Feb 2015
- Episodes: 163
- Followers: 23
- Running
- Science Channel
- Tuesday at 21