A salvage team discovers the mysterious remains of an enormous shipwreck near Cambridge Bay in the icy waters of the Canadian Arctic; experts investigate and uncover a cutting-edge vessel with links to one of the greatest polar explorers in history.

Preserved in the ice of Mexico's highest peak, a group of climbers stumble upon the bizarre, mummified remains of a man in a pinstripe business suit; experts uncover possible drug cartel connections and a plane crash shrouded in secrecy.

Archaeologists discover a large metal object on an isolated island in the Bering Sea.

An expedition on Europe's tallest mountain unearth a decapitated human body; experts uncover a mummified Russian WWII soldier near a wartime shelter.

Climbers make a shocking discovery when they encounter the remains of two human bodies high atop New Zealand's Mount Cook; after a forensic investigation, a decades-old mystery reignites that could rewrite mountaineering history.

Archaeologists discover human remains during an excavation of a fifth-century fort on the Swedish island of Oland; after further investigation, experts unearth 26 skeletons and uncover the site of an ancient massacre.