Danny, your remark about ice corpses recalls the story of Star Dust, the British South American Airways Lancastrian which disappeared in 1949 while crossing the Andes. Its fate remained a mystery for half a century until the remains of the aircraft and its occupants emerged from the bottom of the glacier.
It is believed that the Lancastrian crew, all ex-WWII airmen, had let down in cloud thinking they had crossed the mountains when in fact they had unknowingly encountered a 100 mph headwind in the jet stream. No GPS for them, of course.