Revelation 18:2

And he cried with vehemence, and with a loud voice, saying, Babylon the great is fallen, is fallen, and is become the habitation of demons, a den of impure spirits, and a cage for every unclean and hateful bird.

Treasury of Scripture Knowledge

Summary

And I will make Jerusalem heaps, and a den of dragons; and I will make the cities of Judah desolate, without an inhabitant.

Bible References

A den

Revelation 18:2
And he cried with vehemence, and with a loud voice, saying, Babylon the great is fallen, is fallen, and is become the habitation of demons, a den of impure spirits, and a cage for every unclean and hateful bird.