How do I fix this? Or is it even fixable?

I got this trailer for free a few years ago, all bent and abused, the had a small-ish skid steer on this thing at one point.

As you can see im not much better for hauling big heavy shit, but I want to try and correct some of the bending if I can. I've already removed the drop gate on the left (drivers) side of the trailer and used a comealong to pull that side back together with new steel and straightened it out some. I've also removed the rear gate and installed a full size ramp instead.

It's still bent diagonally from right front (bent up) to left rear (bent down). And the axle is bent.

What can I do to straighten it? Or *is* there anything I can do?