In 1972, a plane crashed in the Andes, forcing survivors to resort to cannibalism to stay alive.
Juliane Koepcke survived a plane crash in the Amazon rainforest and trekked to safety over 10 days.
Aron Ralston amputated his own arm to free himself from a boulder while hiking in Utah in 2003.
Hugh Glass was mauled by a bear in 1823 and crawled over 200 miles to seek help and survive.
Shackleton's 1914 Antarctic expedition faced extreme conditions but all crew members survived against the odds.
Surviving against nature's harshest challenges, these stories showcase the resilience and determination of the human spirit.