What is a National Cemetery? Why is it important to preserve the history and burial sites within National Park Service managed National Cemeteries? Objective Students will learn about the 14 national cemeteries across the United States that are part of National Park Service units. Students will be able to define what a national cemetery is and where they are located on a map. Students will learn about the historical significance and events in U.S. history that connect national cemeteries to topics they are learning about in school, including: the Civil War, Abraham Lincoln and other significan Duration: 60 Minutes.