However, the discovery of a frozen human foot in early October has brought a partial end to a century-long search — and reignited one of the greatest mountaineering mysteries of all time.

That is, until this latest expedition, when the National Geographic team, which included “Free Solo” co-director Jimmy Chin, discovered a foot inside what they believe is Irvine’s boot.

AURORA, Ind. (WKRC) - Authorities are investigating after a human foot was discovered near the Ohio River. The Dearborn County Coroner said the foot was found inside a shoe earlier on Thursday ...