The Enlightenment philosopher Jean-Jacques Rousseau believed that humankind originally lived in small bands of ...

Exploring the greatest civilizations in history and their capitals shows some of the most amazing feats of engineering that ...

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 ...

The vast subterranean complex was kitted out with stoves, lamps, wells, and ventilation systems. 'Sarayini', an ancient multi-level underground city dates back to the 8th century in Sarayonu district ...

A team of researchers has made an extraordinary claim – the existence of a vast underground city beneath Egypt’s iconic Giza pyramids. However, prominent archaeologists have swiftly and decisively ...

Subterranean Twin Cities by Greg Brick and Opening Goliath by Cary J. Griffith, two books about caves and what lies beneath our feet, were published this spring. Both books make for very ...

In South Australia’s outback, summer temperatures often reach 120°F. Locals built homes, churches, and shops underground to escape the heat. The network was built in 20th century and remains a working ...