Ancient CivilizationsHall of Records theories explode as CIA doc mentioning ‘temple under Sphinx’ found Posted on June 15, 2026 by Administrator The location of an ancient library believed to lie beneath Egypt’s Great Sphinx has long been one of archaeology’s greatest mysteries. Now, a resurfaced CIA document from 1952 is reigniting speculation surrounding the legendary Hall of Records after a cryptic reference to a ‘temple under Sphinx’ was found inside a Cold War-era photographic inventory.