Pyramids was built as tombs for the pharaohs and queens by ancient Egypt. The pharaohs were buried in these pyramids of many different shapes and sizes from before the beginning of the Old Kingdom to the end of the Middle Kingdom. According to Wikipedia, there are 138 pyramids discovered in Egypt as of 2008. The three largest and best-preserved of these were at Giza, beginning of the Old Kingdom. The most famous of these pyramids was built for the pharaoh Khufu, known as the ‘Great Pyramid‘.