There are perhaps many secrets in the world that are just awaiting “serendipity”. Modern men have stumbled across unknown valleys, falls, lakes, ruins of ancient cities and most startling of them all, a treasure.

Excavations of ancient cities, religious places and ruins have led to discoveries of buried treasures of the ancient times at quite a few places across the world.

More recently, billions of dollars worth of jewelry, gold, silver and precious stones were found in India’s Sree Padmanabhaswamy Temple. Experts believe more treasure is hidden in this temple in Indian southern state of Kerala, as the temple’s most important chamber that hasn't been opened for 140 years is yet to be opened.

Start the slideshow to know more about other ancient places where treasures have been found and where mystery continues to puzzle the world about the hidden treasures of the ancient world.