It sounds like you're describing a wonderful excursion to Giza, Egypt! Exploring the Great Sphinx and the iconic pyramids of Khufu, Khafre, and Menkaure must be an unforgettable experience. The itinerary you provided includes a delicious lunch and visits to historical sites like the Saqqara necropolis and Memphis. And for those feeling adventurous, going inside the pyramids is an option as well. It sounds like a fantastic way to immerse oneself in the rich history and culture of ancient Egypt.