Josh Gates ventures to Egypt's Giza plateau to investigate the Great Pyramid of Khufu, the last surviving wonder of the ancient world and humanity's earliest colossal monument. With exclusive access inside the pyramid, Gates pursues three interlocking mysteries: how this geometrically perfect structure was built without modern tools or even the wheel, where the missing mummy of Pharaoh Khufu might be, and whether hidden chambers containing royal treasures still lie concealed within. The investigation deploys cutting-edge technology including first-ever laser mapping to detect undiscovered voids, 3D scans to understand the pyramid's precise astronomical alignment, and archaeological excavations at Red Sea caves that may reveal construction secrets. Recent discoveries have intensified the quest, including remote sensing evidence of internal voids and controversial claims by an Italian research team about massive subsurface columns beneath the structure.
Mainstream Egyptology has long understood the Great Pyramid as a monumental tomb built around 2560 BCE for Pharaoh Khufu, though debates continue about specific construction techniques and the purpose of interior shafts and chambers. The episode stands out for Gates' access to active research projects pushing beyond speculation—experts demonstrate surveying methods that ancient Egyptians may have used to achieve mathematical precision, while archaeologists uncover tangible evidence of the workers and systems behind the pyramid's construction. The discoveries prove genuinely jaw-dropping, with the team potentially identifying previously unknown passages within the structure itself, transforming centuries of mystery into observable fact through modern technology.
Cairo
Egypt · cultural
Gates visits Cairo as his base of operations, exploring the local bazaar and framing the city as the modern metropolis surrounding and encroaching on the ancient Giza Plateau.
Giza Plateau
Egypt · archaeological
Gates explores the Giza Plateau, home to nine pyramids, multiple temples, cemeteries, and the Sphinx, as the central hub of his investigation into the Great Pyramid's mysteries.
Great Pyramid of Khufu
Egypt · archaeological
Gates gains rare all-access entry to the Great Pyramid, exploring its interior passages, chambers, and defensive mechanisms with archaeologist Dr. Mark Lehner to investigate questions about its construction, hidden chambers, and the missing mummy of Khufu.
Great Pyramids of Giza
Egypt · archaeological
Gates investigates the construction theories and interior mysteries of the Great Pyramid — the only surviving wonder of the ancient world — including recent muon-scan discoveries of hidden voids.
Great Sphinx of Giza
Egypt · archaeological
Gates examines the Sphinx alongside the Great Pyramid, exploring questions about its age, the weathering debate, and what excavations beneath and around the monument have revealed.
Wadi al-Jarf
Egypt · archaeological
Gates travels 150 miles to this Red Sea coastal site to investigate an underwater excavation with archaeologist Dr. Mohamed Abd El-Maguid, exploring evidence that may reveal how the Great Pyramid was built.