Secrets of the Underground
- Dokumentti
- Jakso 1
- Kausi 1
- 50 min
- 9+
- 6.3
- Kausi 1
- Jakso 1: Secrets of the Underground
Rob Nelson investigates the mysterious rocks at the bottom of Lake Michigan known as Underwater Stonehenge. Plus, the search for escape tunnels in Alcatraz.
Tietoa sarjasta: Scientist Rob Nelson investigates the world's strangest underground locations. He uses the latest technology and research to examine these mysteries.
- Näyttelijät
- Rob Nelson
- Kategoriat
- Dokumentti, Tiede
- Saatavilla
- Katsottavissa lauantai 29.11. klo 03:24 saakka