Documentaries by Katia and Maurice Krafft feature some of the amazing footage shot by the renowned volcanologists, who perished in 1991 while filming a volcano in Japan. The duo documented more active and erupting volcanos than any other scientists in the world, and their dedication shows in Deadly Peaks and Killer Volcanos, two educational films that capture the scientists on the edge of a hot ash blast and floating on a lake of sulfuric acid. The films visit Mount Kilimanjaro and examine some ...