A gravity hill, also known as a magnetic hill, mystery hill, electric brae, or gravity road, is a place where a car left out of gear will appear to be rolling uphill against gravity. There are hundreds of recognized gravity hills around the world.
A Mystery Spot is a place where the laws of gravity and physics seem to disappear as balls roll uphill and people lean over past their toes without tumbling over. In some places people will appear taller when standing in a specific spot and shorter a few feet away.
WARNING. Obey all traffic signs and rules. Watch for blind spots. Never test a gravity or magnetic hill alone. Always bring someone to watch for other traffic.
Resources
Gravity Hills, Magnetic Hills, Mystery Hills, and Gravity Roads
Gravity Hill Altadena California
New Paris Bedford County Pennsylvania Gravity Hill
Edwin Warner Park Tennessee Gravity Hill
Spook Hill Burkittsville Maryland
Electric Brae Gravity Hill Scotland
Mystery Spots
Montana Vortex and House of Mystery
Wonder World Park Anti-Gravity House