A surround at the firebox, tile from floor to ceiling, or the whole wall. Porcelain, stone look tile and stacked stone ledger panels.

Tile and stone near a firebox go on a proper backer with setting materials made for the heat, and the clearances your fireplace maker lists still apply. If it is a gas insert, bring the model number to the measure.
Stacked stone and large porcelain panels are heavy. We check what the wall is built from before we hang anything on it.
We have stacked stone ledger panels and large format porcelain on display at the showroom.