A ley line is an invisible line of energy that runs through the Earth. It's like an invisible railroad track or highway that runs across the ground. These ley lines are thought to have special powers, like the ability to make people feel more relaxed or help heal illnesses. People believe that when two ley lines meet, their energy can be even more powerful. Some people even believe that ancient sites of worship and power, like Stonehenge, are built along ley lines to take advantage of their energy.