Chaco Culture National Historical Park, USA

USA-23, originally uploaded by Abhishek's Received Postcards.

Chaco Culture National Historical Park is a United States National Historical Park and it is a portion of a UNESCO World Heritage Site hosting the densest and most exceptional concentration of pueblos in the American Southwest. The park is located in northwestern New Mexico, between Albuquerque and Farmington, in a relatively inaccessible canyon cut by the Chaco Wash. Containing the most sweeping collection of ancient ruins north of Mexico, the park preserves one of America's most fascinating cultural and historic areas.