I think there's a strong possibility it is real. An example, I dreamed I was walking past my old childhood home (a place I hadn't been for years) and as I strolled by I noticed it was the most ugly shade of blue - not pretty or serene but bright screaming awful blue and I said no one would paint a home that ugly color I was just dreaming. The dream was SO vivid though, I could smell the same smells, see everything in vivid color etc.
I decided a week or so later to take a long drive over to where this home was and I gazed in horror as it was indeed painted that horrible color... ugh. Why someone would do that to a beautiful lake front home - lol but anyway - yes this is only one example of when I have traveled :)