On one of my world's I decided to go explore, later after maybe going 6000 blocks in one direction I decided to start heading back to my original spawn point. However, I decided to use one of my treasure maps to make it easier. I have been going straight, (No turnring at all) for very long. And somehow, I have passed three known landmarks three times! I do not know how, but all I have been doing is going straight. The three landmarks were snowy mountains, an island with an underwater manmade base, and this pirate ship shown below (I already looted). Someone explain to me what is happening.