1997

1997-02-25

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.

1997-04-05

Ventures into coastal Siberia to track down the Siberian Tiger.

1997-05-19

A firsthand look at volcanoes throughout the world.

1997-09-27

The Sonoran Desert's spectacular landscape supports a community of plant and animal life including the Saguaro cactus, nectar bat, and Gila monster.

1997-11-30

Looks at the dangerous existence of the Andean guanaco.

1997-12-07

Africa's Kalahari Desert is one of the harshest places in the world. When the desert dries out after the rainy season the bat-eared fox must outsmart hungry jackals, cheetahs, and lions for its next meal.