Wisconsin Dells is a city in south-central Wisconsin, with a population of 2,418 as of the 2000 census. It is located partially within four counties: Adams, Columbia, Juneau, and Sauk. The city takes its name from the dells of the Wisconsin River, a scenic glacially-formed gorge that features striking sandstone formations along the banks of the Wisconsin River. Together with nearby Lake Delton, the city forms an area known as "the Dells", a popular Midwestern tourist destination. The Dells area has an estimated five million annual visitors.
With numerous indoor waterparks and outdoor waterparks in the Dells area, covering 70 acres (28 ha), Wisconsin Dells proclaims itself the "Waterpark Capital of the World". It is home to the largest outdoor water park in the U.S., Noah's Ark; the largest indoor waterpark resort, Wilderness Territory; and America's largest water and theme park resort,
