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Visiting Casa Grande National Monument -Ancient Ruins an Arizona Birdwatching
Casa Grande Ruins National Monument in Arizona is different from any other ruins we've visited in the American Southwest. See ...
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This Ancient Arizona Civilization Built 500 Miles of Canals by Hand, Then Vanished Without a Trace
The Casa Grande Ruins represent one of North America's most remarkable prehistoric structures. It was built by the Hohokam people, a civilization that mysteriously disappeared around 1450 CE.