Wisconsin Dells is the Water park Capital of the World! It's located in the central section of Wisconsin and it's easily accessible for everyone. It brings in tourist from around the world and holds many events and festivals. It has a ton of Water parks to choose from. This place gets really crowded during the summer season, so if you're like me, plan your visits during the off season. Also traffic congestion starts to back up about 20 miles north of Madison heading north to get from Madison to the Dells. Be prepared for traffic jams, car accidents and get comfortable in your car. Allow an extra hour to finally reach your destination.