Numerous pyramids are present across the globe. From Sudan to South Africa you will find them everywhere. They are of different shapes and sizes. Some pyramids are similar to other on the other hand some are completely different and unique. Now the question here is why the ancient mankind created such extraordinary buildings, what was the purpose for their construction? These questions are still undescribed. Here we have listed some of the amazing and unsolved mysteries about the pyramids which keep the researchers awake at night.