Pre-Columbian America

This nautical chart, lost for five centuries, gives evidence that Portuguese captains had found the New World by 1424

The last issue of AMERICAN HERITAGE reported the publication in Europe of an ancient map giving evidence that the Western Hemisphere was discovered by Portuguese explorers before Columbus. Read more >>

Was Columbus motivated by Norse discoveries, concealed over the centuries in misinterpreted maps?

In 1965 widespread interest was excited by the first publication of a fifteenth-century map showing “Vinland” and purporting to be the earliest cartographic representation of any part of the North American continent. Read more >>

Magnificent Central American ruins, overgrown by the thickening jungle, testify to a sophisticated culture already ancient when Columbus sailed