Elemental Plane of Elemental Planes of Elemental Planes of Elemental Planes.
Elemental Plane of Me
(Hello!)

Elemental Plane of Things That Are Blue, Made Of Glass, 2-4 Inches Tall, Contain Exactly Three Cracks, Are Less Then 3 Years And More Than One Year Old, Are Currently In Direct Sunlight And Have Moved Exactly 32m In Total In Their Existence.

Elemental Plane of Oganesson (get there quickly if you want to see it!)
Elemental Plane of Tumblr Sexymen
Elemental Plane of Scheduling Errors

Elemental Plane of Fire. No, not that one. The other one. We also have fire! It's not unique to that one place!
The Elemental Plane of AI Slop (people keep building portals here for some reason?)
Elemental Plane of Elemental Planes of Elemental Planes