Rocca Calascio is one of the highest located castles in Italy. In it have been shot many beautiful movies (Ladyhawke, the name of the rose ...) Unfortunately the interior this year will be closed and it will be possible to visit only for external parts. But it is still very beautiful. It stands above a small village very nice. Definitely a place to visit. The only thing you need to know is how to reach it. I order the various options in order of preference.
1. If possible leave very early in the morning (the place is clearly always open), in this way you can reach by car the (tiny) parking in the village, park and walk to the Rocca Calascio. The walk is short (20 min), uphill but not difficult. You might be lucky and find free places also in other times, but only in low season.
2. If you can't go soon, then probably the village parking lot will be busy, so you should park your car in the town under the fortress (not the village, this town is called, incredibly , Calascio) and then take a bus that will take you to the fortress.
3. I saw people walking to the fortress directly from Calascio. This option is strongly discouraged because the road is not easy to walk.