Great Wolf Lodge, Grand Mound, Washington (Howlin' Tornado slide pictured)
 

Kalahari Resort, Sandusky, Ohio
 

Blue Harbor Resort, Sheboygan, Wisconsin
 

Mountain Grand Lodge at Boyne Mountain Resort, Michigan (Avalanche Bay indoor water park pictured here)
 

Wilderness at the Smokies Resort, Sevierville, Tennessee (Salamander Springs outdoor water park pictured here)
 

Nickelodeon Suites Resort, Orlando, Florida (SpongeBob SquarePants-themed room pictured here)
 

Fallsview Indoor Waterpark, Niagara Falls, Ontario (artist's rendering pictured here; water-park packages and accommodations available at Sheraton on the Falls Hotel, Crowne Plaza Hotel Niagara Falls, Skyline Inn Hotel, Hampton Inn Niagara Falls
 

Atlantis Resort, Paradise Island, Bahamas (The Surge waterslide pictured here)
 

Chula Vista Resort, Wisconsin Dells (Lost Rios indoor water park pictured here)
 

Arizona Grand Resort, Phoenix, Arizona (Slide Canyon Tower pictured here)