The Petrified Forest National Park in northern Arizona mashes up two areas about midway along the road through it: a petrified forest (natch), and multicolored grounds called the painted desert. It looks like a race of giants tossed these petrified trees out the car window as they drove by about 225 million years ago and the ground, in a number of stratified colors (white and blue mostly at this point) became littered with it all (2015).
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