Peoria Promo Codes & Coupons November 2026 — Up to 20% Off

Visit Peoria to explore permanent collections, rotating exhibitions, and special projects linking art and science with history and human achievement. Take a look at the dome planetarium to take yourself to a distant galaxy or just look at the stars overhead. Peoria has a 52×70 foot screen can show you a big world! Learn about the construction history of Caterpillar, from the Panama Canal to the San Francisco cable car system, at the Doug Oberman Caterpillar Visitor Center. Eight exhibition halls, hands-on equipment simulators and more than 50 videos and 800 photos will awaken your curiosity. Climb on a grader or excavator, design your own CAT machine or jump into a simulation to learn the feel of operating heavy machinery. No matter what the activity is, let yourself sit in the driver's seat of the Caterpillar Visitor Center.