Do you believe in the concept of directions North, South, East, and West?

Let's say you start traveling "due east." What does that mean? Is it possible to keep traveling further and further "due east" until you can go no further? What's the furthest "east" one can go?

As a starting point, lets assume you currently are in North America.

What is east of North America?

If you say the Atlantic Ocean, then we agree.

What is east of the Atlantic Ocean?

If you say Europe/Africa, then we agree.

What is east of Europe.

If you say Asia, then we agree.

What is east of Asia?

If you say the Pacific Ocean, then we agree.

Last question, what is east of the Pacific Ocean?

If you say North America…. wait, how did we get back there again?