On Ancestry the export sits behind the gear icon on your tree page, under Manage your tree. Ancestry prepares the file before the download link appears, so a big tree can sit there a few minutes. Then upload the .ged here.
.ged file somewhere easy to find, like your Desktop or Downloads folder.You choose a starting ancestor, and the map fills in from the places in the file.
Upload Your GEDCOM Free · No account needed · We keep no copy of your tree