Is something paranormal taking place at all these mystery spots and gravity hills? Are there strange magnetic vortexes and bizarre gravity anomalies to account for the apparent phenomena reported by hundreds and hundreds of visitors? Or are these simply optical illusions?
Although it is well known that gravity is not uniform everywhere on Earth, there are no known areas where it has been scientifically proven that gravity does not act the way it is supposed to act. Of course this does not prove that such areas can exist or do exist, but the mystery spot attractions around the country and the hundreds of "gravity hills" are probably not among them.
As fun, entertaining, even baffling as these spots can be, it's unlikely that the cause is paranormal in any way - no vortexes, gravity anomalies or even ghost children.
As made clear at "Mystery Spots Explained," they are "cleverly engineered tourist attractions" designed to create convincing optical illusions. The "mystery houses," always constructed on steep inclines, take advantage of the fact that the human eye and brain can be easily fooled by deliberate distortions in perspective and odd angles. In this way, people can appear to always be standing at impossible angles, even on walls; balls and water only seem to move uphill; and pendulums just look as though they don't work quite right.
Similar illusions are at work on the so-called "gravity hills." Cars and tennis balls that look as though they are rolling uphill are actually being pulled downhill by gravity. Optical illusions created by the lay of the land and surrounding landscape fool the eye into thinking that the laws of physics are being defied. (If you want to check out these places for yourself, roadsideamerica.com offers a "Mystery Spot Test Kit".)
Despite these scientific explanations, mystery spots and gravity hills can be a source of wonder, curiosity and fun. Just don't expect anything paranormal to occur.