Secrets of the Underground
- Tiede
- Jakso 2
- Kausi 1
- 48 min
- 9+
- 6.4
- Kausi 1
- Jakso 2: Secrets of the Underground
Rob Nelson investigates mysterious tunnels under Denver's airport. Plus, in Ohio he tries to uncover the secrets of a giant serpent-shaped mound.
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
- Tiede, Dokumentti
- Saatavilla
- Katsottavissa torstai 8.5. klo 04:00 saakka
Tuleva jakso
Kausi 1, Jakso 4
Secrets of the Underground
Jakso 2
48 minKatsottavissa torstai 8.5. klo 04:00 saakkaRob Nelson investigates mysterious tunnels under Denver's airport. Plus, in Ohio he tries to uncover the secrets of a giant serpent-shaped mound.
Rob Nelson investigates mysterious tunnels under Denver's airport. Plus, in Ohio he tries to uncover the secrets of a giant serpent-shaped mound.
Secrets of the Underground
Jakso 1
48 minKatsottavissa torstai 8.5. klo 03:12 saakkaRob Nelson investigates the mysterious rocks at the bottom of Lake Michigan known as Underwater Stonehenge. Plus, the search for escape tunnels in Alcatraz.
Rob Nelson investigates the mysterious rocks at the bottom of Lake Michigan known as Underwater Stonehenge. Plus, the search for escape tunnels in Alcatraz.