Generally speaking one must be psychic to determine if a location has spirits. All places have energy - all lifeforms are made up of energy - some believe that ghosts are nothing more than the remains of energy that was expended during their actual life and that energy remains within the specific location were the energy was used while they were alive.

In order to feel this energy one must be open to allowing the energies to touch them. Take for example something that happens to most people in their lifetime...going into a public place, whether it is store, a hotel or whatever, and they walk away saying 'something just didn't feel right in there.' Most of us have experienced this in our life. Why, because at that moment in time the person is open enough to allow outside energies to help them make a decision about a specific place. The same is true when it comes to people - I should imagine, even though you are 14 and not 54 like me - that at some time in your life you have met someone that just didn't feel right to you - someone you didn't trust or like right away...that is a sense of psychic ability telling you to be aware that something just isn't right.

An apparition, unlike a ghost, means the seeing of a spiritual being or ghost. Whereas a ghost can be heard, not seen, seen, not heard, or simply felt and not seen or heard. To see an apparition one must psychic. To feel a ghost is the lower form of an undeveloped psychic ability. Whereas seeing a ghost and hearing a ghost is a higher form of psychic ability. Psychic ability can be, many say, developed and there are many, many books written on the subject. 

In short trust your instincts - if your initial thought of a specific location is that it doesn't feel right then chances are it isn't right for you.