Help me decide where the seven parts to the Rod of Seven Parts are!

[Eltab]

Reduced (via the spell)

This particularly short piece was Enlarged (as the spell) quite a few times and attached to the Crystal Sphere of Heaven with sovereign glue.
Most people call it "The moon".

 

[Eltab]

But each in a different setting would be fun. Oerth, Krynn, Eberron, Ravenloft, Athas, etc.

Good luck getting OUT of Athas with it.

Which might be part of the point, come to think of it...