Mysteries of the National Parks: 35 Stories of Baffling Disappearances, Unexplained Phenomena, and More
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Discover the hidden mysteries of America's national parks!
America's national parks are best known for stunning beauty and outstanding adventure—but these natural wonders also hold some of the world's greatest mysteries. Why did an ancestral civilization abandon their stone cities in the mountains of Colorado? Flying past Mt. Rainier, did a pilot really spot nine shiny objects that spawned the UFO craze? Was a contorted crater in Utah's dramatic Canyonlands created by a meteorite strike? Jo...

























