Hello. In addition to quadras and pyramids, you can go on boat trips (with or without diving), you can go to Israel for 1 day or to Petra (Jordan), Luxor by plane, Ras Mohamed Nature Reserve by bus. Lots of excursions. Which you can read https://excurshion.net/
Be sure to go on a boat trip to the island of Tiran. Diving optional. For the strong in spirit:) I can recommend Mount Moses and the monastery of St. Catherine.