Select a GEDCOM file to see the birth locations of people in your family tree on a map. All of the information in your GEDCOM file is kept in the browser except for birthplaces, which are mapped by the Mapbox Geocoding API. If you refresh the page you will need to select your GEDCOM file again.
If you don't have a GEDCOM file, you can right click and save this GEDCOM file for John F. Kennedy.