1: A tourism town in Wisconsin that is based around the unique cliff formations that are found only on that small portion of the Wisconsin River. Since its early river days, it has expanded its tourism industry into hotels, waterparks, arcades, and gift shops.
2: The cliffs on the Wisconsin River from which the town is named. From the French word "dalles", meaning "high, layered cliffs".
A place that people go for entertainment involving water slides, pools, and other water-related activities. They are visited most prominently in the summer, but there are also indoor waterparks for year-round use. The largest waterpark in the United States is called Noah's Ark and is found in Wisconsin Dells, popularly known as the "waterpark capital of the world".
Person 1: I'm hot as hell, let's go to the waterpark.
Person 2: It's January...