Museum Monday in May - Cahoon Museum of American Art

"During the month of May, various Cape Cod museums will be open on a Monday for FREE to visitors. Museum Mondays in May offers visitors no-cost admission to many of the most treasured cultural venues on Cape Cod. So, whether you’re a mom or dad looking for something to do with the kids, a group of friends looking for a new experience or an art or history enthusiast, join in the month-long celebration of local art, history and culture!"