Take a trip back in time at Jurassic Empire Families are taking a trip back in time at the Silver Dollar Fairgrounds in Chico. Posted: Apr 23, 2021 11:04 AM Posted By: Deb Anderaos CHICO, Calif. – Families are taking a trip back in time at the Silver Dollar Fairgrounds in Chico. The Jurassic Empire is California’s largest Dinosaur Drive-Thru Event and it’s currently set up in Chico. The family event allows you to stay in your car and take a trip through the prehistoric journey from the Jurassic all the way through the Ice Age periods and discover the dinosaurs and mammals that once roamed the earth.