Child graves in section H-B at Prospect Hill Cemetery in Washington, D.C., in the United States in 2014. Prospect Hill Cemetery was added to the Register of Historic Places of the District of Columbia (a listing of historic sites maintained by the city) in 2005. Section H is divided into two parts. Section H-B is known as "Babyland", a section devoted exclusively to stillborn, infant, and child burials. All the headstones in Babyland are small in size.