Chaco Culture National Historical Park

Photo

by AlisonRuthHughes

/ CC BY-SA 4.0

Chaco Culture National Historical Park in New Mexico, USA, is a significant archaeological site that preserves one of the most important pre-Columbian cultural and historical areas in North America. The park contains the remains of a major center of Puebloan culture between AD 900 and 1150. It features extensive ruins of multi-story buildings known as "great houses," which were constructed using sophisticated masonry techniques. The Chacoans also developed an intricate road system and advanced astronomical alignments, underscoring their sophisticated understanding of engineering and astronomy.

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