What on Earth?
Fountain of Youth Found? (4x2)
Air date: Oct 24, 2017
A strange structure shaped like a giant shark might point the way to a lost civilization's fountain of youth; a massive hurricane heads toward Florida but something unexpected is in its eye; bizarre marks across the eastern US leave experts baffled.
- Premiered: Feb 2015
- Episodes: 163
- Followers: 23
- Running
- Science Channel
- Tuesday at 21