Dreaming of a house you've never been to

I don't know if anyone's ever heard of this before, but I've seen it reenacted on TV a few times now, in which a person tells the story of how they came to move into their house. First, they had seen it perfectly in a dream -- they knew what it looked like inside and out, and they also knew where it was located and how to get to the house. They usually also have a ghostly story to go along with this.

My question is, how does this relate to the paranormal and how can such a thing even happen? If they are telling the truth, it's amazing that they already know where everything in the house already is and what it looks like. Do spirits have the power to project these images onto to the living? Why?

Has anyone else heard of anything similar?
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