The Sri Padmanabhaswamy temple is known to be the richest temple in the world as it is covered in gold.
Besides its amazing riches, there are other mysteries within it that make it stand out from the rest. Despite being build so long ago, and no known technology sealing the door such as bolts, the door has refused to be opened after many efforts.
This temple is said to be worth close to 22 billion dollars due to the mountains of gold its covered with, but not only that.
It is said the temple has 8 underground vaults that could be explored after the door is unsealed, we may never know what those vaults truly contain.