I came across the coolest little circle of benches nailed to the ground and completely made of tree trunks. They weren't your typical bench, they were sanded down, open faced tree trunks but held together by screws.
It's difficult to find activities to do in the winter time here in Maine sometimes. However, if you're a hiker, check out the trail that was just nationally recognized as one of the most beautiful hikes in the US.