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

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

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 ...

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

The Seoul Metropolitan Government announced on the 26th that it has selected the site of the Seoul Express Bus Terminal in ...

Forestiere’s Underground Gardens in Fresno, California, were hand-carved over 40 years by one man using simple tools like picks and shovels. The 10-acre site includes rooms, tunnels, and grottos where ...

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