people decided simply to carve themselves caves in the sandstone rock. Some of these homes can still be visited to this day – and actually look pretty cosy. The historic cave houses in the Harz region ...

Ad Deir, or the Monastery, is one of Petra's many facades carved out of sandstone in Wadi ... in from springs outside the city and carved channels into the rock to collect rainwater.

The city of Matera has been inhabited since the Paleolithic Age, and many of those who've resided there over the centuries ...

Carved into the rock beneath a Swedish city, a huge man-made cave system dating back to the Cold War is being used to heat local housing. DW found out how it works ...

Two gorges on the Moon that are deeper than the Grand Canyon were carved out in less than 10 minutes by space rocks travelling at the speed of a bullet, astronomers have revealed. The Moon canyons ...