Lake Geneva's indoor water park came in fifth on the list. The 50,000-square-foot resort has a 500 foot long lazy river and — if you're feeling adventurous — a 35-foot water slide.

An Epic Water’s visitor is learning how to surf on the Flow Rider at the indoor water park on Wednesday, June 18, 2025 in Grand Prairie. Epic Waters’ biggest attraction is the FlowRider.

At 223,000 square feet, the indoor water park is the second-largest in the U.S., and factoring in its adjoining hotel and convention center, it's the largest indoor water park resort complex.

The 80,000-square-foot Epic Waters Indoor Waterpark, located at EpicCentral in Grand Prairie, recently made USA TODAY’s 10BEST list for the best indoor water parks for 2025.

People can start enjoying a 92,000 square-foot indoor water park a month ahead of schedule. A second Great Wolf Lodge in New England is opening on April 25 in Mashantucket, Connecticut.

The $80 million Bavarian Blast features 16 new waterslides, a wave pool and a lazy river on 170,000 square feet of space. The water park also includes Michigan's first swim-up bar in an area that ...