I put together a rough out of a lighthouse model (based on the “Petit Minou Lighthouse” in France - since it seemed to be pretty scenic and interesting):
Honestly, I regret trying to make so much of it as part of a single object, as I think It made thinks a lot harder for me. Decided to cut myself off, because I was already two hours in, leaving out more of the details. There’s several extra faces in there that aren’t visible to the naked eye, because of overlapping.