Explore the origins of the Temple of Chichen Itza, a Mayan pyramid in modern-day Mexico that features several unique features, including an echo designed to sound like a bird call.

The growth of the great Mayan civilization is as much a mystery as its disappearance.

Ancient Mayans studied the skies thousands of years before modern astronomical observatories.

The Mayans prospered for more than two thousand years. Today, their greatest city Palenque still stands.