The famous pyramids of Giza can be found in Cairo, Egypt. These incredible architectural feats, particularly the Great Pyramid of Giza, are part of a complex of pyramids built as tombs for the Pharaohs during the Fourth Dynasty of the Old Kingdom of Egypt. The Great Pyramid is one of the Seven Wonders of the Ancient World and is the largest of the three pyramids in Giza, built for Pharaoh Khufu. The pyramids represent ancient Egyptian civilization's advancements in engineering, mathematics, and their spiritual beliefs regarding the afterlife, making them an enduring symbol of ancient history.