Due to the mana and spiritual essence special Land marks formed for example the World Tree it used to be a Tree of Life however it Evolved
[World Tree] - The Tree's roots are in the under world and it extends past the Higher Realms
[Mount Olympus] - A large mountain on a Mid Realm that erupts valuable metals endlessly
[Endless Desert] - A desert were space and time element mana crystals form those that enter unprepared get lost in the seeming endless desert.
[Spring of Life] - A spring that can regen any sickness or injury can also reverse aging
[Storm Palace] - A ancient place that formed a eternal storm around it
These are just some examples