Sky History HD Saturday

Hidden government facilities and their secret operations, from a Soviet poison lab to a nuclear site under Greenland's ice and a US doomsday bunker inside a mountain

The actor investigates daring government operations, revealing uncensored evidence and the lengths to which elite operatives have gone to complete missions

Declassified files reveal bizarre military weapons plans, that somehow balance between apocalyptic and absurd

Climbers make a shocking discovery when they encounter the remains of two human bodies high atop New Zealand's Mount Cook

Yttygran Island, Russia, where over a 550m stretch of land giant whale bones and skulls dot the landscape like strange, ancient standing stones

A collection of Jurassic Park toys comes into the shop, but they might not be as prized as Chumlee thinks