Padmanabhaswamy Kshetram: The temple that houses a sleeping idol of Lord Vishnu is the richest temple in the world. Treasure worth Rs 100,000 crore was recently found in secret chambers on temple land. Golden crowns, 17 kg of gold coins, 18 ft long golden necklace weighing 2.5 kg, gold ropes, sack full of diamonds, thousands of pieces of antique jewellery, and golden vessels were some of the treasures unearthed during the weekend.