Pumpkin Valley Farm in Dayton, Maine — about 30 minutes from Portland — offers families outdoor activities in the fall. Enjoy a 6-acre corn maze, jumping pillow, farm yard fun for little ones and pick pumpkins to bring home. Pick up some homemade kettle corn before you leave, too. Open weekends in the fall from 10 a.m. to 6 p.m. Admission is $8.50 per person and children under 3 are free.