where is the wizard of oz park at in maryland
Watkins Park Wizard of Oz Playground. The Wizard of OZ has landed at Watkins Park playground in Upper Marlboro, Md. Watkins Park playground has been renovated and turned into the Wizard of Oz complete with a storybook at the entrance, Ruby red slipper slide, cut outs of Dorothy, the tin man, the cowardly lion, and the scarecrow.