The Wilderness Resort in Wisconsin Dells is America's largest waterpark resort! There are 4 indoor and 4 outdoor waterparks, zipline and ropes courses, mini golf, gokarts, restaurants, Sundara spa and Wild Rock Golf Club, a championship golf course. Lodging options include Wilderness Hotel, Glacier Canyon Lodge and Wilderness on the Lake. Plus there are gorgeous villas, condos and cabins for larger groups.