The Grand Canyon is America's premier travel destination, but it is also a treasure trove of ancient artifacts preserved for thousands of years.

The Colorado River slowly cut one of the world's most epic scars into the landscape of northern Arizona ... Excavations have revealed artifacts from the Clovis, the Archaic culture, the ...

The president chose to speak at the Gila River Indian Community in Arizona, although he apologized to all tribal nations for their generations of suffering. "After 150 years, the United States ...