Looks at the career of geologist Eugene Shoemaker, and how searching the sky for a cosmic bullet, it led to his discovery, with his wife Carolyn, of the famous Shoemaker-Levy comet and the confirmation of asteroid impact craters on Earth.
Ventures into coastal Siberia to track down the Siberian Tiger.
The Sonoran Desert's spectacular landscape supports a community of plant and animal life including the Saguaro cactus, nectar bat, and Gila monster.
Looks at the dangerous existence of the Andean guanaco.
3 Episodes