Autumn Schierling plays outside the Children’s Inn at the National Institutes of Health in Bethesda, Md., last week. (Marvin Joseph/The Washington Post)

On one side of a playground, a white sign branches off in multiple directions, letting children choose whether they want to head toward “Never Never Land,” “Where the Sidewalk Ends” or “No Place in Particular.”

When Autumn Schierling arrives, she darts past the sign and through all those whimsically named places in minutes.