Apart with agreeing that NZ is amazingly beautiful, it is too hard a question. So many little european countries, so much of America, Canada, Australia, China...... we live on a very beautiful planet. Stop messin it up people!
I've never been out of my country , so I would say the best place I've ever visited here in the Philippines is in Pagudpud, Ilocos Norte. If by any chance you guys visit our country I would highly recommend you go there.
Mission Beach in North Queensland is my favourite tropical paradise. I also love Rome and the medieval town of Carcassonne. Home here in the UK, the Lake District is absolutely beautiful. But I seen so many wonderful places that the list would just go on!