the palermo to catania highway snakes through the madonie mountains, sicily

palermo catania highway snakes madonie mountains sicily volcano mount etna messina italy sicilia summer sky blue tourism travel landscape culture history stone mediterranean rock village hill tradition trail tree peloritani apennine mountain pizzo carbonara cefalu petralia sottana soprana polizzi generosa region park norman green valley settlement pass foothills olive grove ancient snake nature road outdoors grass