Is there an Italo Calvino museum or historic site?

I really love Italo Calvino's novels, stories and nonfiction. I'm planning a trip to Europe and was wondering if there is any kind of museum or historic site devoted to him (I was imagining something like the Hemingway Museum). Is there a place that would be especially good to visit for a Calvino fan? I've googled a bit but all I can find is his grave in Castiglione della Pescaia.