Here’s a great list that will give you something to astound the people you watch movies with. Or even yourself. How impressive will it be when you point out a prop from a movie and name off the others it appeared in? To be honest, many of the same props get recycled over and over. No use in wasting them, right? But I bet you didn’t know the flying car from Blade Runner later showed up in Back to the Future II.
At the end of filming Blade Runner, director Ridley Scott wanted all of the prop vehicles destroyed so that no other movie production could use them in the future. However, the Spinner, the flying police car, wasn't destroyed—in fact, it was re-painted and re-purposed for Back To The Future Part II. Blade Runner's automotive concept designer Gene Winfield, who designed the Spinner, also worked on Back To The Future Part II to give the sequel a futuristic look and feel.
Read about nine other props that you can see in multiple movies, at mental_floss.