Instantly change environment during gameplay?

As you can tell, I’m very new with all of this, and I’m wondering if it’s possible (I highly doubt it wouldn’t be) to instantly change the environment my player character is in during gameplay. Basically, the effect I’m going for is teleportation. How would this be done?

If you want to teleport your player is the same scene you can add an EmptyObject, put it where you want your player teleport to, and then when you want to teleport your player just make players coordinates the same as EmptyObject’s coordinates. If your scene is huge and is not all loaded and your EmptyObject is in not-loaded area then it could lag a bit, but just when teleporting.