Here's my problem with this question: I get PAID to break things; does that count? If so, I'm employed as an industrial roofer, and I've destroyed miles and freaking MILES of roof. Mind you, I help put a new roof on after I'm done wrecking shit for the day. I've probably destroyed BILLIONS of dollars worth of roof, if you added up the original installation costs.
Other than that:
I've put my skull through a bedroom door by pulling the door into my head.
I've cut through a cooling line that had to be purged of moisture after I breached it, costing a former employer about $5k. With an axe.
I've dropped a 2'x2' concrete sidewalk block from the top of a 110' building and watched it crater in a big industrial garbage bin. It literally caved a huge chunk of the bottom in.
Pretty mild stuff, honestly, considering I get paid to work out, tan, break shit and play with fire.