#18 Illusion
It’s almost the same like the one with the branches around the window, but if you look closely, the door is also painted. It’s an amazing idea to not just use your surroundings, but create them. People will probably stop and wonder, maybe they will even take pictures with it.
#17 Use Samples
This one is not just unique because of its looks, but the technique it is made with. I know it’s surprising, but you can also make one like this with only a flower and some paint. Paint the leaves of the flower carefully, then press against the canvas and leave it there for a few hours.