Archaeologists in Croatia have reopened a 2,000-year-old hidden tunnel at the ancient city of Salona, revealing Roman amphitheatres.

Hidden under Rome’s streets, ancient aqueducts, quarries, catacombs, and bunkers reveal a layered city still operating below ground.

Add Yahoo as a preferred source to see more of our stories on Google. An image collage containing 2 images, Image 1 shows Aerial view of the Capitoline Hill in Rome, Italy, Image 2 shows Piazza del ...

CNN’s Ben Wedeman was given an exclusive tour of ancient tunnels underneath Rome’s Capitoline Hill. The tunnels, which archeologists say were once filled with ancient Roman shops and taverns, are set ...

Excavations led by the Chinese Academy of Social Sciences (CASS) have revealed a vast network of underground tunnels beneath the 4,500-year-old city of Houchengzui, located in northern China’s Inner ...