Indeed, I do not know what the new heaven and new earth will be like beyond what God has revealed to us in Revelation - but I'm very sure it will be thrilling.
There could be a NEW HELL too.. maybe versions of it.. or degrees of it.. or versions and degrees of it.. A positive vision and revelation would preclude mentioning it though..
Could be GOD is going to do a new thing exclipsing the Garden of Eden <<-as a metaphor or TYPE of the Garden of the Universe.. The future looks BRITE to those waiting and even GROANING for these things to happen..