The 17-day Big E Festival in Springfield takes place September 18 to October 4. Enjoy a Mardi Gras parade, circus, live music, food, and rides (and slides)! Visit the festival’s popular Avenue of States, highlighting what’s best about each New England state. Parking is $10 for cars and $20 for campers. Admission is $15 for adults and $10 for kids age 6 to 12. Kids 5 and under are free.