You read the title right, there's a piece of the Berlin Wall at Universal Orlando. Not only is it a pretty significant (large!) piece, but it's also free to check out.
If you want to see it for yourself, make your way over to Universal Orlando CityWalk and head toward the Hard Rock Cafe, which is midway between the entrances to Universal Studios and Universal Island of Adventure. Stay outside, and go to the right, around to the back of the Hard Rock Cafe. There is a sidewalk to follow. Once behind the restaurant, you can't miss it. Make sure to read the plaque.