a story or presenting facts in an interesting or dramatic
never believe this/it, but
is hard to believe, but
it or not ...
you imagine (could come after the 'interesting' fact)
just imagine! Imagine my surprise when
couldn't believe my eyes!ears!
you know what happened to me/us etc yesterday /the other
then) do you know what he said/did?
what!! You'll never guess what
you know what?
then, to add insult to injury
if that wasn't enough, then