PLANET SNOOPY, Cedar Point, Sandusky, Ohio, www.cedarpoint.com. New children's play area with seven rides, plus a new Snoopy-themed restaurant and ice show.

SKYSCRAPER, Challenge Park (at Cedar Point), Sandusky, Ohio, www.cedarpoint.com/public/park/challenge—park/. A thrill ride that spins like a propeller with open cars 16 stories off the ground. Expected opening June.

THUNDERHAWK, Michigan's Adventure, Muskegon, Mich., www.miadventure.com/. The 105-foot tall inverted roller coaster flips riders upside down five times. Relocated from Geauga Lake in Aurora, Ohio, which is now a water park.

KEYLIME COVE, Gurnee, Ill., www.keylimecove.com. New water park with wave pool, body slides, lazy river, activity pool for water sports.

KIMA BAY: Holiday World & Splashin' Safari, Santa Claus, Ind., www.holidayworld.com. New monkey-themed water park attraction at Splashin' Safari.

NICKELODEON UNIVERSE, Mall of America, Bloomington, Minn., www.nickelodeonuniverse.com. Nickelodeon, the children's cable network, has had Nick-branded zones in theme parks before, but this park, which opened in March, is the company's first standalone theme park. Rides include SpongeBob SquarePants Rock Bottom Plunge roller coaster.

ODYSEA, Lagoon Park, Farmington, Utah, www.lagoonpark.com/. Interactive family water ride with flying fish-shaped gondolas that can be navigated to avoid getting sprayed by water from other cars.

AFTERSHOCK, Silverwood Theme Park, Athol, Idaho, www.silverwoodthemepark.com. New 191-foot boomerang-like inverted steel roller coaster, with two towers, 90-degree inclines and a 177-foot drop. Expected opening July.