See the Aztec capital of Tenochtitlan through the eyes of a visitor during the height of Aztec power, when the city's quality of life was unrivaled virtually anywhere in the world. Modern Mexico City, which is built atop Tenochtitlan, preserves isolated ruins of this grandeur.

Maya hieroglyphs tell of a mysterious Snake Kingdom, which long eluded archaeologists. We now know that this powerful city was Calakmul, located in the Petén rainforest of southern Mexico. Learn its long history of warfare with its militant neighbors.

Once natural selection produced a strain of drought-resistant corn, the peoples of the desert gave up their nomadic existence and began to build more permanent structures. Examine the first sedentary cultures of the American Southwest and understand why baskets significantly increased in importance as the only portable storage solution before the advent of pottery.

Begin with the Olmecs at the dawn of Mesoamerican civilization. Flourishing from about 1700 BC to 300 BC, the Olmecs represent one of only six cradles of early civilization in world history. Hear how they were discovered, and investigate three sites where they lived.

Explore the many areas where native culture still survives in modern Mexico. Focus on the Zapotec, Huichol, and Nahua peoples (descendants of the Aztecs). Learn that traditions which have survived for thousands of years are now threatened by technologies such as the internet and cable television.

The Aztecs claimed that their civilization descended from the mighty Toltecs. But were the Toltecs as magnificent as the Aztecs believed? Join the hunt for this elusive empire, which was headquartered at the modest town of Tula and spread influential ideas such as the legend of Quetzalcoatl.

Review the events that brought an improbable expedition led by Christopher Columbus to the New World in search of Japan. Trace Columbus's later contact with Mesoamerica, and follow the arrival of Spanish conquistadors, including Vasco Núñez de Balboa and Hernán Cortés.

Chaco Canyon contains the most sophisticated architecture ever built in ancient North America - 14 Great Houses, four Great Kivas, hundreds of smaller settlements, an extensive road system, and a massive trade network. But who led these great building projects? And why do we find so little evidence of human habitation in what seems to be a major center of culture? Answer these questions and more.

Once the Aztecs were defeated, the Spanish turned their eyes to the rest of Mesoamerica. Follow the decades of military campaigns needed to subdue the Maya. This conquest included the wholesale destruction of Maya books and ritual objects by the Franciscan monk Diego de Landa.

Learn about Maya life through their art, studying such works as the fantastic painted murals at Bonampak and the famous sarcophagus lid on the tomb of Pakal. According to a best-selling book, the latter depicts an ancient astronaut on a rocket ship, but Dr. Barnhart decodes its real meaning.