There are a few online resources that allow individuals to search burial records, including FindAGrave.com. This site has a number of options covering millions of burial records.
The National Cemetery Administration provides maps of state veterans and national cemeteries, found on the U.S. Department of Veterans Affairs website. Another resource to utilize for finding burial sites is the website for Arlington National Cemetery. This website provides a great deal of information regarding the historical figures buried in the cemetery as well as funeral information. Ancestry.com also has a database for individuals to search death and burial records, broken down by name, date of death, or location.