Updated June 8th, 2019.
You know you can open up the Trash and see what’s in it. You also know you can drag stuff out of the Trash and put it anywhere you want. But did you know that the Mac remembers where things came from before they went into the Trash, so you can click on an item in the Trash and then choose Put Back from the Finder’s File menu? I am betting you didn’t.
Here’s the menu.