civilized

America was discovered by Christopher Columbus in 1492, but there is much evidence that explorers from many other civilizations came to America before Columbus.

People in the fog country discovered many large concentric circles on a vegetable field last week.

Mesoamerica people have created many types of rubber with different characteristics from more than 3,000 years ago ...

The biggest surprise came from an autopsy of a 4,000-year-old Egyptian mummy that scientists discovered a small envelope in the abdomen, believed to be a mummy of a bird.

More than 1,000 giant painting works deep in the sandy arid lands of southern Peru are the products of a civilization that had been destroyed about 1,500 years ago.