National Geographic investigates

Describes the work of archaeologists who have uncovered the artifacts of ancient Aztecs of Mexico.

Learn about the discoveries that are bringing Egypt's history to light today.

"Shows how ancient treasures help scientists today to piece together the puzzle of the Inca's past. Includes Inca pottery, textiles, and the mummy called the Ice Maiden."--From source other than the Library of Congress

An exploration of extreme weather explains how weather is created, shows how hurricanes and tornadoes form and are rated, covers types of clouds and precipitation, and looks at the link between climate and weather.

Explores the latest advances in the identification and treatment of some rare diseases and introduces doctors and researchers working to understand a broad range of uncommon illnesses.