You can spend an afternoon exploring the galleries in Museo Internazionale della Fisarmonica during your travels in Castelfidardo. Wander the waterfront in this relaxing area.
You can enjoy a tasting or tour at Garofoli Winery during your travels to Castelfidardo. Take in the museums while you're in the area.
You can find out about the history of Castelfidardo with a stop at National Monument in Commemoration of the Battle of Castelfidardo. Wander the waterfront in this relaxing area.
I went to Castelfidardo, the home of most all the Italian accordion factories to visit some of the accordion showrooms and the Fisarmonica Museo. I am surprised/disappointed that that was not one of the items listed on your list of places to visit??
Victoria Accordions is the place to visit in Castellfidardo
