2024-10-01 The Great Pumpkin (formerly Halloween Express) The Great Pumpkin (formerly Halloween Express) October 1 - October 31 The Great Pumpkin (formerly Halloween Express) OCTOBER 1-31 - Conveniently located just off I-94, The Great Pumpkin (formerly Halloween Express) is located next to the Pettit National Ice Center. Look for the giant pumpkin!