If museums are on your list of things to see in Sarzana, then you might want to head to Sarzanello Fortress. If you want to experience more of the culture Sarzana has to offer, head to Montemarcello Regional Park, Lerici Beach, and Eco del Mare.
You can study the exhibits at Luni National Archaeological Museum, a museum with a storied past, during your travels to Luni. Wander the waterfront in this quaint area.