i imagine you'd want to style it a bit like a fireplace, with art above and candles below and so forth. but you could go more abstract too. have seen photos but searches failing me...

If you google "faux fireplace" there's lots of ideas on how to use it without an actual firebox, if that's what you're thinking. Here is a Candice Olson design where she used a mirror and candles, but I think it would be even better with an antique surround.

The possibilities are endless!

It could become something a little more functional- like a shelving unit or bench

- or purely decorative.

Here are a few ideas:

Best of luck with your project!

I have a non-working fireplace in my guestroom & plan to do something like this: