WOOJUNG: The most beautiful place I have been: Australia

No reason, it's self is just beautiful.

Australia's nature is beautiful.

CORRECT: The most beautiful place I have been to is Australia.

There is no special reason why I like that country. It is just beautiful. Australia's scenery is beautiful./Australia is naturally beautiful.

>>Always make a complete a sentence. 'scenery' means the attractive, natural things that you see in a place.