Built over 4500 years ago during the Old Kingdom period of ancient Egypt, the Pyramids of Giza functioned as tombs to house the Pharaohs. Exploring these pyramids lets you understand the intricacies of Egyptian culture. Inside the pyramids, you can marvel at the burial chambers and passageways. The walls are inscribed with mortuary prayers, hymns, and spells to ward off evil spirits and guide the Pharaohs into the afterlife. The nearby Great Sphinx, Valley Temples, and remains of the Memphis city also provide invaluable insights into the daily lives and religious practices of ancient Egyptians.