Excellent stuff, I have made a bridge for small streams so perhaps i'll pack that up and ship it over to Free Stuff as well.
The barn sounds like something I could create, and so is the water tower. Great contributions, thanks.

Quote - fences of all types and condition.from wooden posts to lattice to stone.
old 1 horse plows.
old wooden water tower.even the type that filled trains since more that one here is or has made a train.
train tracks
wagons from radio flyer to horse drawn.and in all kinds of conditions.
well heads(kind with a handle or bucket)
fire hydrant.
mail boxes with post and the kind you see in the city alongside the road.
benches wood,cast iron sides wooded seat and back,cement type from straight to the kind that goes around tree trunks.
tree stumps fresh to rotten.
landscaping borders.
small bridges for crossing gulleys or streams.
above ground swimming pool and it's accessories
barns,sheds,outhouses,in all conditions,new to about to be torn down.
gazebo, picnic benches.
pontoon boats other small fishing boats.
Are these suggestions what you are looking for.