6. The Cozy Snow Brick Survival Castle
Not every castle has to be huge. This one is built for actually playing in. A compact keep, a crafting room, storage, a farm just outside the walls, and a fireplace that makes the whole place feel lived in.
Snow bricks are easy to gather in a snowy biome, so you can build this in survival without a massive resource farm. That’s the point. Pretty and practical can live in the same build.