A Nile cruise between Luxor and Aswan is one of the world's classic journeys — a slow passage between two ancient cities past temples, tombs, and desert landscapes that have barely changed since the pharaohs. The Valley of the Kings at Luxor (including Tutankhamun's tomb), Karnak Temple, the Temple of Horus at Edfu, and Abu Simbel's colossal statues strung together across a three to four day cruise constitute the world's most concentrated collection of ancient monuments.