Egyptologists explore why the ancient Egyptians only built these massive structures for a few centuries in their vast 3,000 year history. ➡ Subscribe: http://bit.ly/NatGeoSubscribe ➡ Watch all clips of Lost Treasures of Egypt: https://bit.ly/WatchLostTreasures ➡ Get more Lost Treasures of Egypt: https://on.natgeo.com/2WhC3Yu About Lost Treasures of Egypt: An immersive, action-packed and discovery-led series following International teams of Egyptologists as they unearth the world's richest seam of ancient archaeology - Egypt's Valley of the Kings. For a full season of excavations and with unprecedented access to the teams on the front line of archaeology, we follow these modern-day explorers as they battle searing heat and inhospitable terrain to make the discoveries of a lifetime. Using innovative technology and age-old intuition in their quest to uncover the secrets of these ancient sites, can the team's discoveries re-write ancient history? About National Geographic: National Geog