Splash pads in Hot Springs, Arkansas

Arlington Lawn sits at the base of the bathhouse row in Hot Springs National Park — yes, a splash pad on federal park land, and it's free. The thermal-spring history makes this a uniquely Arkansan stop: kids splash on the lawn while grandparents take the historic bathhouse tour next door. Ground sprays only, sized for younger kids. Shade comes from the surrounding trees and the bathhouse facade. Parking is metered or free in the visitor center lot. Open seasonally, roughly Memorial Day through early September. Combine with a walk up Central Avenue for ice cream and the Gangster Museum. Restrooms inside the visitor center. The vibe is touristy in the best way — bring the camera.