Colorado Plateau

Pete McBride

Fewer than three dozen people have ever hiked the entire 800-mile length of the Grand Canyon. Two journalists on assignment for National Geographic completed the journey last month and have now been nominated as the magazine’s 2017 Adventurers of the Year. Arizona Public Radio’s Ryan Heinsius reports. 


Louis Vest

The iconic formation called Ship Rock sails like a stately clipper ship 1,700 feet above the surrounding desert of northwest New Mexico.  It’s the craggy remnant of a volcanic explosion that occurred about 30 million years ago, with long dikes extending from its base.


Earth Notes: Juniper and Ash

Nov 24, 2016
Jim Harrigan

Nine hundred years ago the eruption of Sunset Crater volcano must have been a brilliant spectacle. Ultimately, nearly 750 square miles of northern Arizona were blanketed in cinders and ash. After the destruction, life slowly returned. 


Earth Notes: Vibes at Rainbow Bridge

Nov 16, 2016
NPS/B. Lee

Rainbow Bridge in southeast Utah is one of the largest natural bridges in the world. And though the immense sandstone span looks solid and unmoving, scientists are finding out otherwise. 

 

Tim Evanson

Long before Europeans arrived in the Western Hemisphere, turquoise was an exceptionally prized stone—used in jewelry and masks, for example. But the blue-green mineral doesn’t occur naturally in many of the same places where such artifacts have been found in the Southwest. 


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