Many old houses in Mallorca have an interior yard where the inhabitants could hide from the sun and the heat at midday. Some of this yards are considered as architecture patrimony due to it´s beatifull construction. There are some special tours that show and explain to U all the particularities of each house and its interior yard.
There are some windmills near Paseo de Mallorca. Just walk or take the bus number 3 and it will take U straight to this 3 old windmills. Nowdays turned into chic restaurants and one pizza hut.