"In Xanadu did Kubla KhanA stately pleasure-dome decree :
Where Alph, the sacred river, ran
Through caverns measureless to man
Down to a sunless sea."
More interesting dreams, other people's dreams. In this case, Kubla Khan, a poem written by Samuel Taylor Coleridge - or, more accurately, a fragment of a poem, having emerged from an opium induced slumber he was filled with inspiration and upon writing down the poem found himself interrupted by a persistent traveling salesperson; the dream was lost and he only ever recaptured fragments.
Link: Wiki on Kubla Khan
Link: online-literature - complete poem
Note the ending: "For he on honey-dew hath fed, and drunk the milk of paradise..."