one where everything is exactly the same except that the land where Belgium would be is evenly distributed among France, Germany, and the Netherlands.

I'd like to check out

• a world similar to our size but that has only one country/kingdom/etc
• a world that never had wars/always lived in peace
• a world that had teleportation unlocked and where it would be as easy to use as walking
• a world that had invented an item that lets you "store" and "read" feelings (you could read other's feelings too)
• (golden compass) a world where humans/all intelligent species would have their souls as creatures that followed them in life

I see people been watching that new Invincible episode.

One where history has been altered in somd big massive way wherever that be

• no moon landing

• heroshima and nagasaki not being blown to pieces

• one of the many coldwar close calls that has happened during history not being a cold War close call but instead a bbq so for an example Lt. Colonel Stanislav Petrov not going on his better judgement and reporting the false weather balloons to > higher soviet command or prehaps > B-59 Submarine if if wasn't for one of those senior offices not putting in his key history as we know it would have been altered for the worse

The one where the atmosphere of planets are connected together, because they sit so close to each other

The one in which there are no multiverses.

One where the laws of physics are similar/the same.

the one where there's no inverse square law