Chess Roof
The chess roof fits on almost every house, but it is not so suitable for the Middle Ages.
Simple archway (city gate)
A very light gate that can be built from any block from which there are steps and stairs.
Compass Square
This square with the four points of the compass can be built as the center of a city.
Creeper Shrine
As an alternative to the Creeper Shrine here is a heavily weathered Creeper Skull with 8x8x8 dimensions. Also in comparison to the Creeper Shrine here better outdoors.
