(CNN) — Archaeologists working in an ancient Mayan city have unearthed a mysterious 1,700-year-old altar whose bright decorations and grim contents may hold the key to unraveling the complex ...

An altar from the Teotihuacan culture, at the pre-Hispanic heart of what became Mexico, was discovered in Tikal National Park in Guatemala, the center of Mayan culture, demonstrating the ...

Tikal is a 2,400-year-old Maya city in the heart of Guatemala—far flung from Mexico’s ancient city of Teotihuacan. The presence of this altar implies that the two shared a relationship that spanned ...

The Mayans chose this site because it is slightly elevated on a flat island and because of the cenotes — natural sinkholes — and the water they provided. Roads from all four directions led to San ...

Photo by the National Institute of Anthropology and History Archaeologists in Mexico have discovered ancient Mayan pottery in a cave system a little more than 10 miles away from downtown Playa de ...