If you possess Knowledge , you do not need to seek it. If you do not possess Knowledge and seek for it, you will not be able to identify it as you do not possess knowledge.
Hinduism describes fourteen Lokas or places there is Existence. I have not used the term Human. The descriptions are of beings in terms of Color, Shape, behavior are different..... An interpretation is that these are the Quantum Fields other than where we exist. Please read my pots on this filed under Astrophysics. Yet there is evidence to suggest that these are Planes of existence with Physical boundaries, inhabited by Beings. Details.