The IDF uncovers one of Gaza's largest underground Hamas infrastructures stretching 25 meters deep beneath civilian sites ...

Israel Defense Forces released a video of one of the "largest and most complex" tunnels used by Hamas underneath the city of ...

Archaeologists have made a groundbreaking discovery in the ancient Etruscan city of Veio. For the first time, they’ve mapped ...

A small village in Poland is hiding a 20-mile tunnel maze that was the brainchild of Adolf Hitler and Nazi Germany ...

The site beneath Giza, revealed through satellite radar imaging and ground-penetrating technology, is said to span over two ...

Archaeologists have completed the first comprehensive technological mapping of an intricate underground tunnel system beneath the ancient Etruscan city of Veii, revealing a sophisticated network of ...

Sign up for Unlocking the World, CNN Travel’s weekly newsletter. Get news about destinations, plus the latest in aviation, food and drink, and where to stay. In our ...

Explorers in southern Spain have linked two deep caves into one “supercave system” about 16.4 miles long. The connection sits ...