Beneath the Sphinx and across the Giza Plateau, evidence from radar scans and exploratory digs suggests the existence of hidden tunnels, chambers, and underground structures carved deep into the ...

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 ...

Construction crews discovered a Roman Empire-era tunnel carrying water beneath the streets of an ancient city center. Located in the Turkish port city of Trabzon, the tunnel was apparently used to ...