discover, find, locate
Divers were sent down to try and locate the wreck.

explore
raise, salvage
They're going to try and raise the wreck from the sea bed.

salvage sth from

in a/the wreck
They are worried about the oil still in the wreck.

on a/the wreck
Heavy seas prevented salvage teams from landing on the wreck.

wreck of
the wreck of the Titanic

total
crumpled
blazing, burning
Explosions ripped through the blazing wreck.

be trapped in
Two passengers are still trapped in the wreck.

escape, escape from

car, train

cause
survive

like watching a car wreck, like watching a train wreck
His attempts at damage control are like watching a car wreck.

a train wreck waiting to happen (= is likely to be a disaster)
The campaign is a train wreck waiting to happen.

absolute, complete, total
emotional, nervous
The interview reduced him to a nervous wreck.

gibbering, quivering
I always turn into a gibbering wreck at interviews.

physical

feel, look (both esp. BrE)
I hadn't slept for two days, and I felt a complete physical wreck.

reduce sb to (esp. BrE)