Iran’s underground missile cities, located up to 500 meters beneath mountains, form a vast and highly secretive network stretching across the country.

The Iranian military shared some information about this underground drone base but did not disclose its exact location. At ...

Underground cities sound like fantasy until the stairs actually tilt downward and daylight slips away behind concrete and stone. Across the world, people have carved homes, chapels, tunnels, and ...

Beneath the Polish town of Pniewo lies an astonishing site for dark tourism enthusiasts: a massive underground Nazi city ...

Beneath our feet, entire communities have carved out lives in the shadows. These underground cities were real places with homes, markets, churches, and entire support systems. Here are some of the ...