At the base of a waterfall deep in the forests of the state of New York an eternal flame burns. A small grotto between the layers of shale protects this everlasting fire. Although it glows brightly throughout the year it radiates light and warmth more on Midsummer's Night than on any other time on the calendar. Then, it is said that the fair folk… Image Credit Wikimedia No, hold on. It isn't quite like that. Although it would be great to believe that this flame is eternal and that it attracts Tinkerbell and the rest of the cohabitants of her trailer, the fact is that this is a natural phenomenon. In fact, the flame doesn't burn eternally – it occasionally needs a helping hand. Image Credit Wikimedia The area around the waterfall does have a different aroma to the surrounding forest. It is natural gas seeping from the layers of shale. Most dissipates in to the air but some of the gas, enclosed by the grotto, is concentrated enough to burn. It is said to be t