earthworks (archaeology)

Describes what is known of the ancient city of Cahokia, a site in present-day Illinois which was inhabited by Native Americans from about 700 A.D. to 1400 A.D., the Missippippian culture of which it was a part, and the archaeological investigations undertaken there.

Describes some of the ancient sites believed to have been made by early Indian peoples, including mounds in the northern United States, huge stone pictures in the Southwest deserts, and pyramids in Central America.

Photographs and text examine the temples, mausoleums, and mysterious patterns on the earth's face that have been left by humans throughout the ages.