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 . A SECRET DOOR IN THIS TEMPLE IS HOLDING SECRET KNOWLEDGE ..THE ONLY SNAG IS, IT HAS BEEN LOCKED BY SOUND WAVES FROM A . The 5 most mysterious temples and tombs that have never been opened and could be hiding the secret of time travel and a $1 trillion treasure… Join Dark5 . Padmanabhaswamy temple is located in Thiruvananthapuram, Kerala, India. Like all hidden treasure stories, Keralas Shree Padmanabhaswamy Temple has .