Courtesy of Wings and Waves Waterpark

Embrace the indoors at water parks that keep the thrills and spills coming all year long.

Wings & Waves at Evergreen Aviation & Space Museum, McMinnville, OR

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Sure, this water park’s 10 slides, 2,000 feet of sliding surfaces, and 91,000-gallon wave pool deliver thrills, but they’re also designed to inform about the power and science of water. Kids can build “tsunami-proof” models in classrooms and test them in the wave pool. And along the climb up 111 stairs to the Boeing 747 on the roof, posters explain how the plane “landed” there. The plane is the starting point for four water slides, including one that drops six stories. evergreenmuseum.org

Wings & Waves at Evergreen Aviation & Space Museum, McMinnville, OR

America's Coolest Indoor Water Parks

Wings & Waves at Evergreen Aviation & Space Museum, McMinnville, OR

Sure, this water park’s 10 slides, 2,000 feet of sliding surfaces, and 91,000-gallon wave pool deliver thrills, but they’re also designed to inform about the power and science of water. Kids can build “tsunami-proof” models in classrooms and test them in the wave pool. And along the climb up 111 stairs to the Boeing 747 on the roof, posters explain how the plane “landed” there. The plane is the starting point for four water slides, including one that drops six stories. evergreenmuseum.org

Courtesy of Wings and Waves Waterpark

America's Coolest Indoor Water Parks

Endless summer—that’s the promise of indoor water parks. And with it come surfing contests hundreds of miles from an ocean, waves lapping at pools the size of small lakes, and bright beach towels spread over lounge chairs as snow falls outside the windows.

The coolest indoor water parks keep kids of all ages entertained, from Idaho to Texas to New Hampshire. While some also have outdoor rides that close at summer’s end, nothing can slow down the splashing excitement inside, where air temperatures remain between the high 70s and high 80s year round.

Related: World's Craziest Waterslides

Arcades, spas, ziplines, and ski gondolas are often part of the experience, too. Wings & Waves in McMinnville, OR, even has a real airplane on the roof and an attached aviation and science museum. The wilder slides and tube rides—with names like Tanzanian Twister and Howlin’ Tornado—generally have minimum-height restrictions, and all provide life jackets for younger children.

All big indoor water parks have several pools and many slides of different heights and lengths, so we looked for those with something special or unusual. Minnesota’s Water Park of America’s 90-foot-tall Eagle’s Nest Tower anchors four wild slides—one stretching more than a mile—while in Wisconsin, the Klondike Kavern’s Hurricane shoots riders up for a moment of weightlessness.

Read on to find a cool indoor water park near you.

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