How did 168 conquistadors take down the Incan empire?

In less than 200 years, the Inca built an empire stretching 2,500 miles. But a Spanish conquistador and 167 other men brought them down. How did they do it?

How the Mayan Calendar Works

The Mayans created a sophisticated set of calendars to help them plant crops, plan religious ceremonies and keep their history. How did they do it?

Will the world really end in 2012?

Lots of people speculate about the end of the world, and the most impending theory of doom is that life on Earth will end in 2012. Where does this idea come from, and could it be true?

Aztecs

Aztecs, an Indian people who dominated Mexico at the time of the Spanish conquest in 1521.

Maya Indians

Maya Indiansa people living in Mexico, Guatemala, Belize, Honduras, and El Salvador, whose highly developed civilization reached its peak in the seventh and eighth centuries.

Montezuma II

Montezuma IIor Moctezuma II (1480?–1520), the Aztec emperor of Mexico at the time of the Spanish conquest.

Olmec Indians

Olmec Indians, an ancient Indian people of Mexico. They created the first civilization in North America.

Yaqui Indians

Yaqui Indians, a North American Indian tribe of the Uto-Aztecan language family. At the time of the Spanish conquest of Mexico in the 16th century, they inhabited the region along what is now the Yaqui River in the state of Sonora.

Zapotec Indians

Zapotec Indians, an Indian people that once dominated much of southwestern Mexico.