Dr. Hazel Barton and Nancy Aulenbach, extreme athletes and scientists, venture into treacherous caves in Arizona, Greenland, and Mexico to discover new findings that could lead to cures for human diseases.

Journey Into Amazing Caves
Two thrill-seeking explorers, Dr. Hazel Barton and Nancy Aulenbach, venture into the unknown as cavers, fueled by their insatiable curiosity and desire for adventure.