Kings Island
Mason, Ohio

The News: Diamondback, a 5,282-foot-long, 230-foot-tall steel roller coaster, features stadium-style seating with excellent views from every chair. Kings Island is the first park in the United States to introduce this style of coaster.

Hersheypark
Hershey, Pa.

The News: The park has expanded its Boardwalk section with two new attractions. The Shore wave pool blends fresh and filtered water to simulate the ocean's currents; the Intercoastal Waterway is a lazy river-style attraction.

Freestyle Music Park
Myrtle Beach, S.C.

The News: Hard Rock Park opened last season and later declared bankruptcy. New owners have reopened it this year with a new name: Freestyle Music Park.

Six Flags Fiesta Texas
San Antonio

The News: Wiggles World features rides and a restaurant based on the TV program “The Wiggles.”

Kalahari Resort
Wisconsin Dells, Wis.

The News: The resort has added a 110,000-square-foot indoor theme park to go along with the resort's 18 indoor waterparks. The $20 million theme park includes a six-story Ferris wheel, a go-cart track, a carousel, laser tag, a ropes course, and more.

Did You Know?

• The world's first (and largest) indoor waterpark is the 225,000-square-foot World Waterpark in Edmonton, Alberta, Canada. The waterpark opened in 1986 as part of a shopping mall.

• The largest indoor waterpark in the U.S. is the 173,000-square-foot park at Kalahari Resort in Sandusky, Ohio.