2Eternal Flame Falls, USA

A flame continues to light in a small cave at the waterfall base in the Shale Creek Reserve. As the flame never goes off, it is known as Eternal Flame Falls.

To occur this phenomenon, the temperature of the rock must be around 100 degrees Celsius, so that the carbon molecules break down and give off natural gas and result in a burning flame. Location: Chestnut Ridge Park, Erie County, New York, USA

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