Revelation 14:8
And another, a second angel, followed, exclaiming, "Great Babylon has fallen, has fallen--she who made all the nations drink the wine of the anger provoked by her fornication."
Revelation 18:2
and with a mighty voice he cried out, saying, "Great Babylon has fallen, has fallen, and has become a home for demons and a stronghold for every kind of foul spirit and for every kind of foul and hateful bird.
Revelation 18:21-23
Then a single angel of great strength took a stone which resembled a huge millstone, and hurled it into the sea, saying, "So shall Babylon, that great city, be violently hurled down and never again be found.