Not anymore but me and my dad used to have a decent size N gauge set up in the attic, it was arranged in a loop so we were in the middle and the tracks ran around us. Nothing too impressive, we had a bunch of British trains and some Japanese. I remember one of my favourites was the 500 series Shinkansen I got for Christmas one time
Never really put enough effort into landscaping the setup though, plus that shit costs money. Eventually we sold everything when we moved house :/