Speech in this note will be about notable natural formations bearing names associated with the Devil, and located on the territory of the United States. All of them are considered mysterious places, where mysterious and frightening phenomena occur. In the southwest of the USA, in Arizona, lies one of the largest canyons in the world. It is a giant earthen cup with a diameter of 1200 meters and a depth of 180 meters. Presumably the crater appeared more than 40 thousand years ago, and it helped to form a 50-meter meteorite that fell to Earth. Its weight was 300 thousand tons, and it flew at a speed of 45-60 thousand km/h.
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