Others lie abandoned and neglected but are free to explore, offering dazzling flashes of colour and glimpses of lost worlds.

Cincinnati asked architects and designers to submit ideas to repurpose the city's abandoned subway tunnel system. The Enquirer reviewed all proposals.

The submissions range from ideas from Cincinnati residents to full-blown project proposals from design and architecture firms.

Also, GoggleWorks in Reading will open an exhibit that celebrates the enduring beauty of portraiture, and Northampton Community College will present a political satire featuring an all-female cast.

The earliest tunnels in Southern California were built for shelter, or mining purposes, but as civilization encroached, the ...

Snow, sleet, fog, the lot; when the weather is at its worst is when Russian soldiers tend to go out on assault. After a day ...

War has changed Ukraine's workforce, especially in heavy industry and mining. With men conscripted to fight the war against ...

On the slopes of Mount Qasyun which overlooks Damascus, a network of tunnels links a military complex, tasked with defending ...

A scale model of Giant Mine compares the mine's chambers, which store arsenic trioxide, to a building in Yellowknife. The pink chamber is already frozen, the white one is not, and the Precambrian ...

But history has shown us the consequences of unchecked exploitation. Before we mine the Moon, we must establish robust regulations that prioritise fairness, safety and human rights.

The Tianshan Shengli Tunnel in China's Xinjiang. Image courtesy Seetao On December 30, China completed the construction of the world’s longest expressway tunnel, the Tianshan Shengli Tunnel, located ...

China has completed the construction of the world's longest express tunnel through the Tianshan Mountains, according to a local news source. The Tianshan Shengli Tunnel is just over 22 kilometers ...