Why Do Some People Have a Sixth Sense for Finding Their Way?

Imagine you're playing hide and seek in a big park, even if you close your eyes, you know where to go. Some people have something like that built into their brains: human spatial navigation. It's kind of like having a map inside your head that tells them the way without any help from outside. Scientists think it has to do with a special part of the brain called the hippocampus.