Mystery spots, magnetic hills, or gravity hills are local places named for their unusual characteristic of making the observer confused or unbalanced. Exploited as tourist spots, they have been explained as mysteries of nature. But

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A sci-fi trope, some people actually believed that there is substantial space inside the earth’s sphere where curious things occur. The history of the hollow earth idea is complex and far more serious than you

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In the late 19th century, settlers came across bizarre, giant “stone screws” vertically embedded in the ground. Flummoxed as to what could cause such structures, the locals named them the “devil’s corkscrews”. Paleontologists would argue

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For a long while, there was a popular mystery surrounding how moderately-sized rocks moved on their own across a dead flat surface in Death Valley leaving a trail behind them. That mystery is solved.