Urban metropolis or rustic countryside? The GameGuru Buildings Pack DLC can cater to both. Containing both far away background skyscrapers and up-close huts, barns and sheds. There are also several de-constructed barns as you can see to give your scenes an extra dose of realism.
If you want to get your hands on the GameGuru Buildings Pack, it's available on sale at the following link:
https://store.steampowered.com/app/365520/GameGuru__Buildings_Pack/