The Google affiliated Google Earth Community has been archived - or it will be soon. But you can still browse those forums and look at their attachments. There are two links to Travel Information HERE and HERE. productforums.google.com/forum/#!forum/gec-travel-information.
“Science is an ongoing process. It never ends. There is no single ultimate truth to be achieved, after which all the scientists can retire.” ― Carl Sagan, Cosmos