Cimitero Monumentale di San Cassiano in Pennino is an important part of the community's history. Look out for any epitaphs which are often a bounty of illuminating facts.
To explore this burial ground, head to Santa Sofia. You'll find plenty of other things to see in this area, like Foreste Casentinesi-Monte Falterona-Campigna National Park, Monasterio & Sacro Eremo di Camaldoli, and Santuario della Verna.