Going to the most remote, cold and inhospitable places on the planet to reveal great mysteries that were once frozen in time.
A grim discovery in a Swedish lake reveals shocking ancient practices. Meanwhile, in the Canadian Arctic, the fossil of a previously unknown mammal is found. (S3, ep 1)
In a Danish bog, hundreds of mutilated ancient bones are found, while a mysterious deserted island belonging to Russia is explored. (S3, ep 2)
Archaeologists in Russia find several mass graves, a World War II plane sits on a Canadian mountain and cosmic rays in Antarctica have stump experts. (S3, ep 3)
Human remains are discovered high in the Ecuadorian Andes, while a strange earthquake-like event is investigated in Canada. (S3, ep 4)
In Russia, 34,000-year-old graves are discovered. Meanwhile, a team attempts to locate a British World War II aeroplane that went missing in Iceland. (S3, ep 5)
A mysterious volcanic island off the coast of Antarctica is explored, while the mummified remains of a teenage girl are found in the Peruvian Andes. (S3, ep 6)
Mysterious industrial waste is discovered in an uninhabited part of Greenland. Meanwhile, strange mounds are found deep within the Arctic Circle. (S3, ep 7)
A group of hikers trekking across the Italian Alps stumble upon abandoned military infrastructure. What purpose did these camouflaged buildings serve? (S3, ep 8)
A secret military base is discovered a few hundred miles from the North Pole, while a man-made stone formation is found 120-feet below Lake Huron. (S3, ep 9)
A giant naval vessel is located on the bottom of the Norwegian Sea, while an ancient reptile-like creature is found in Canada. (S3, ep 10)