You will want to research the common forms ghosts come in, and places where they are typically found. [substeps] A basic definition of a ghost is a human or animal figure that has been seen, but can't be physically present.
[header] How to tell if you can see ghosts [title] Research paranormal activity. [step] There are centuries of findings to look through on the topic of hauntings. Before you go running off to find ghosts, make sure you know what you're looking for.