Gurnee Mills is an indoor mall, established in Gurnee, Illinois, a village west of Waukegan, Illinois. It is located about halfway between Chicago and Milwaukee, Wisconsin, a 40 minute drive either way, and near Six Flags Great America. It is a single-level Z-shaped mall. At 1,912,969 square feet (177,720.6 m²) of gross leasable area, it is the third largest mall in Illinois, and is visited by more than 20 million people each year.