The role of Imagination

One of the things I would like to do is wake up in, or plan a trip somewhere exotic.

I have noticed my imagination isn’t as good as it used to be, not as vivid, and the clarity in my dreams isn’t as good.

How does imagination play a role in LD?
Does it happen naturally, or do you have to work on it firsthand?
Would I be better at practising some creative visualizations of dream scenery, in order to meet my goal of creating the scenery of my dream destination?