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Free park entrance into: Kings Dominion, Kings Island Memorial weekend.

Valley Fair: Active, reserve or retired military members can receive free admissions into the Minnesota park on Memorial Day, Military Appreciation Days and July 4 with proof of service. Tickets can only be purchased at the ticket booth on the day of visit.

Busch Gardens, SeaWorld, Sesame Place: Free admission at one of these parks via the Waves of Honor program for active-duty, activated or drilling reservists, and National Guard members, and up to three dependents. Register online for tickets by Sept. 4; offer expires Oct. 29. The program is not available at the front gate.

And others...