Ragusa is another hill city. It was destroyed by an earthquake in 1692; rebuilt up high but the aristocrats liked the lower part better. They rebuilt there, separated by a valley. Lower Ragusa is the most scenic part as far as tourists go.
We took the bus from Modica to Upper Ragusa (only place the bus goes); found the local bus to Lower Ragusa, guessing where to get off. The streets are narrow, winding, and all UP or DOWN. Lots of houses appear abandoned. You could buy one if you’re in the mood to deal with Italian bureaucracy for the sale and then all the workers to renovate it.
Of course, to return to Modica, we did the whole thing in reverse. Riding buses in Sicily would be MUCH easier if any of the bus stops happened to have a posted schedule on it or even show the bus numbers. In Ragusa, the bus route number was handwritten on white cardboard and placed in the bus window. The schedules must be passed from generation to generation!