Try these sample kml URL

^{These URL can be saved as a kml file}
Socrata open data kml URL format, Los Angeles Council District
     https://data.lacity.org/api/geospatial/5v3h-vptv?method=export&format=KML
Arcgis online hub kml URL format, Los Angeles Council District
     https://opendata.arcgis.com/api/v3/datasets/76104f230e384f38871eb3c4782f903d_13/downloads/data?format=kml&spatialRefId=4326&where=1%3D1

1. Los Angeles Council District
     https://transparentgov.net/data/sample/kml/LA_Council_Districts.kml
2. California Catalina Island Zoning
     https://transparentgov.net/data/sample/kml/california_Catalina_Island_zoning.kml
3. London Park
     https://transparentgov.net/data/sample/kml/london_parks.kml

95 Google Maps (cors)

95 Google Maps (jsonp)

95 Google Maps (proxy)

click to download .kml file

Upload xxx.kml file from your computer

GoogleMaps

https://transparentgov.net:3200/googlemaps95/upload