Year, make, and model?

Check the suspension, engine, and transmission mounts. Also check for loose or broken exhaust hangers. Lay on the ground and watch the undercarriage while someone pushes down on the corners and gets the body moving pretty good.

Good luck!

Sway bar end link

Blown strut and the upper A arm is hitting the bump stop.

Fetzer valve.

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"The will to win means nothing without the will to prepare" - Juma Ikangaa

http://www.litespeed.com

Retro incabulator.

Could also be the muffler bearings :)

Seriously though, could be so many items.

The LR never fails to entertain...

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I miss YaHey

My truck is currently clunking. As soon as I heard it I knew to look at the sway bar.

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I'm beginning to think that we are much more fucked than I thought.

Agreed. I'd look at the end link first as well.

This.