Historic accounts and later investigations suggest the Great Sphinx contains a rough chamber reached through a shaft in its back. The mystery is not whether an internal space exists, but what it was ...

For thousands of years, the Great Sphinx of Giza has guarded Egypt’s most famous monuments. But beneath its surface lies a mystery that researchers still debate. Hidden shafts and sealed passages have ...

Streaming platforms for Inside No. 9: The Riddle of the Sphinx haven’t been announced yet. Check back soon for updates on where you can watch it online.