Hoodoos can form in many ways from wind to acid rain that erodes away stone or frozen sand.
The sturdier ones, like the ones in Bryce National Park in Utah, are often made of stone or volcanic rock. The ones made of sand typically do not last more than a few days and, although similarly shaped, are not considered actually hoodoos.
The formations are made through weathering and stream erosion. The phenomenon can occur throughout several regions of the world, but mainly occur in hot and dry areas, like New Zealand and Italy, as well as desert areas, like Utah.
They are also known as tent rocks, fairy chimneys, and earth pyramids.
Bryce National Park - Utah
The beautiful hoodoos dot the Utah horizon in various shades of red, orange, and white
The highest concentrations of hoodoos can be found in southwestern Utah in Bryce National Park.
It can be found in the Paunsaugunt Plateau, which extends 20 miles, and in the other natural amphitheaters throughout the park.
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