It's a sure sign that spring has finally sprung in Northern New England - Maine Maple Sunday! Visiting sugar shacks to celebrate the occasion is fun for the whole family. There are dozens of places to visit, and most of them will be offering tours and free samples of their product this weekend. Here are just a few of the many places in Maine to visit this weekend:

Russell Farm - Poland

Sweet Williams - Casco

West Minot Sugarhouse - Minot

Balsam Ridge - Raymond

Dad's Maple Sugarshack - Harrison

For more information on Maine Maple Sunday, visit the Maine Maple Producers website.