You could start with something like this http://freegisdata.rtwilson.com/ and might be able to extract the city data, if you decide what you need (boundaries? centres? names?) 'Parks' might be more difficult - National Parks, ballparks?
-- You received this message because you are subscribed to the Google Groups "Google Maps JavaScript API v3" group. To post to this group, send email to google-maps-js-api-v3@googlegroups.com. To unsubscribe from this group, send email to google-maps-js-api-v3+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-maps-js-api-v3?hl=en.