I have found the perfect loophole!

Okay, so I've seen a lot of "If you could choose one universe to live in, what would it be?" And "How on Earth do these impossible crossovers happen?"

I've figured it out. Okay, only one world needs to exist for all else to work. The Chronicles of Narnia!

I was reading The Magician's Nephew, the first book in the series, and I noticed something. Okay, the first time the main characters enter Narnia, they go through this world between worlds which is a never-ending forest with an infinite number of pools. And each pool leads to a different world.

So, imagine someone maps it out and you could go literally anywhere and I think my dreams have come true.

Now, I just need to figure out how to get there. . .