Here is the 8th verse from the fourth chapter of Revelation.
Each of the four living creatures had six wings and was covered with eyes all around, even under his wings. Day and night they never stop saying: "Holy, holy, holy is the Lord God Almighty, who was, and is, and is to come."This chapter begins what I think of when I think about this book. Wild visions. Here's the whole chapter. The picture, which comes from this site, is what I think of when I hear about the unearthly animals.
I am surprised by the number of hymns that are based on words from Revelation. This verse has the first one. We used to sing a song, painfully slowly as I recall, in my churches growing up that began with the words: "Holy, holy, holy, Lord God Almighty." The song also includes the lyrics "Holy, holy, holy. All the saints adore thee. Casting down their golden crowns around the glassy sea." Also a reference to this chapter.
So, what to do with this imagery? It is powerful, and for that reason I believe it ends up in songs and pop culture. I think about times when you feel like the world is going to hell in a hand basket, and such imagery is comforting. Also, I've had faith moments where I felt that the presence of God broke into the situation and commanded attention. So, following a thoughtful and reflective reading, I guess the ideas are not as foreign as they might at first seem.