Dr. Hazel Barton and Nancy Aulenbach, extreme athletes and scientists, venture into treacherous caves in Arizona, Greenland, and Mexico to gather data and potentially discover cures for human diseases.
Journey Into Amazing Caves
Meet two extreme athletes, Dr. Hazel Barton and Nancy Aulenbach, who venture into hostile environments as cavers, driven by a thirst for discovery and willing to risk fatal danger for the thrill of exploration.
