Revelation 4:6

4:6 and in front of the throne was something like a sea of glass, like crystal.

In the middle of the throne and around the throne were four living creatures full of eyes in front and in back.

Revelation 17:3

17:3 So he carried me away in the Spirit to a wilderness, and there I saw a woman sitting on a scarlet beast that was full of blasphemous names and had seven heads and ten horns.