Mastering Dreamscapes, beautiful scenery

Hey, I found this site today and wanted to share some experiences that I've had in lucid dreaming. I have been able to lucid dream since I was little, however back then I was more afraid and wanted to wake up and only recently been interested in controlling the dreams.

First off I have very varied experiences with it. I am also interested in finding out what the dreams mean. about a month ago I had a wonderful dream that I was flying over my grandmother's house and it has a field behind it. There were horses running through the fields ( I almost ALWAYS fly when LD, and very commonly see running horses) Anyway the colors were spectacular, the field was golden and I tried to grab one of the horses to ride while flying in midair but could never hang on/catch up. There was a gorgeous castle in the distance on a hill. I wanted to ride one of the horses up to the castle.

Ok, last night I was LD and I was flying and it was night time. Everything was very dark and shimmery and I was flying over a black body of water and could see a city skyline with all the lights. I had a dejavu feeling that I had dreamt about this before. I live in Atlanta and commonly fly over all the buildings in downtown in my dreams- but this looked different, I think it was new york or something, bc I've been thinking about moving to new york. Anyway it was kinda disapointing bc the whole dream after that was kinda gloomy and dark and I couldn't really control anything that happened.

Anyone have any ideas on what these mean?