The Truth Behind
The Crystal Skulls (1x4)
Air date: Dec 08, 2011
Experts examine the provenance of Mitchell-Hedges Crystal Skull, which some believe to be a Mayan artifact dating to over 3,000 years ago.
- Premiered: Nov 2011
- Episodes: 16
- Followers: 0
- Running
- National Geographic (US)
- Thursday at 10
