The Great Pyramid of Giza is the oldest and largest of the pyramid in Egypt. It is estimated to have been built around 2600 BC and is 481 feet tall. It was built as a tomb for the Fourth Dynasty Egyptian pharaoh Khufu. It is also a part of the 7 Wonders of the Ancient World and is the oldest out of them and is also the most intact one to date. For its historical, cultural and religious significance, the pyramid complex in its entirety was designated a UNESCO World Heritage Site in 1979.