I have a used brick fireplace, which is dark, and want to change the look. What can use/do to make it look different or more modern?

I have a used brick fireplace, which is dark in color, and want to change the look. What can use/do to make it look different or more modern?
Handiman, Somewhere on in this forum there is an answer with pictures that would help. I started searching but no luck so far. Nm