The 350-acre property includes about 1,000 hotel rooms, a 200,000-square-foot convention center, an indoor family entertainment center with rides, and a 223,000-square-foot indoor water park. In fact, its newest location, which opened in November 2020 in Round Rock, Texas, claims to be the largest in the U.S. The Kalahari chain of indoor water park resorts boasts large parks. But it's the claim for the second spot that gets interesting. Similarly, American Dream in New Jersey offers the Nickelodeon Theme Park along with a host of other attractions, and has plans for a hotel.Īs outlined above, DreamWorks Water Park in New Jersey is the country’s largest indoor water park. But the mall does offer some onsite hotels, so it could be argued that the mall itself is one giant resort. A standalone water park, it is one of the attractions at the West Edmonton Mall (which also includes Galaxyland, an indoor theme park). Unlike most of the other parks included in this feature, however, it is not a water park resort. World Waterpark is the second largest indoor water park in the continent under one roof.

However, Wilderness in Wisconsin Dells may be able to claim the second spot (which we will discuss later).

It now comes in second to DreamWorks Water Park in New Jersey. At five acres, or roughly 225,000 square feet, the mall's water park used to lay claim as the largest indoor water park in North America. Long before the hotels in Wisconsin Dells kicked off the indoor water park phenomenon and resorts started battling it out for bragging rights, the West Edmonton Mall in Alberta, Canada, opened World Waterpark.

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