Functioning sewer system
This sewer is not only decorative, but also useful, because you can transport items in it.
Golem Wall
A wall at least 2 blocks wide, filled with snow golems, iron golems or dogs that attack as soon as someone destroys the wall.
City wall with covered walkway
This city wall is very suitable for cities and the roof over the battlements gives additional protection from arrows.
Small (floating) castle
Here you can see the simplest thought to a castle (on a floating island). I tied it into a track network as an attraction, hence the rails.
Fully automatic farm
One to 100% automatic farm for grain, potatoes or carrots, based on a villager farmer.
