10 Under-The-Radar Islands Of The World (PHOTOS)

Roger Cracknell01/Alamy

Hollywood scouts were on to something when they skipped over Mykonos and chose a secret island in Greece as the location for Mamma Mia. The movie was a $600-million hit, in part because it fueled peoples' fantasies of escaping to a secluded island (and yes, those catchy ABBA tunes didn't hurt).