Six Flags Great America is a 273-acre amusement park located in Gurnee, Illinois, roughly halfway between Chicago and Milwaukee. Owned by Six Flags, the park features more than 45 attractions, including 16 roller coasters, and is ranked among the top 20 most visited amusement parks in North America. It was originally opened in 1976 as Marriott's Great America and was acquired by Six Flags in 1984. The park is divided into 12 themed sections, including Americana and DC Comics themes, and operates seasonally from April to November. Adjacent to the park is Hurricane Harbor Chicago, a 20-acre water park. Six Flags Great America is known for record-breaking attractions such as the American Eagle wooden racing coaster and distinctive events like the annual Fright Fest and Holiday in the Park.