Secrets in the Ice
S4 · E8 — Siberian Death Mask
S4:E8 · Siberian Death Mask
10 episodes in this season
Echoes of the Lost Mountaineer
41 min
Secrets of the Antarctic Abyss
Woolly Mammoths Last Stand
Battlefield Beneath the Alps
The Giant Penguin Enigma
The Patagonia Ice Dragon
Ice Age Battlefield
Siberian Death Mask
Frozen Secrets of Prehistoric Warfare
The Donner Party's Lost Legacy
