During the war, the Thuilliers’ yard became a makeshift studio. Eventually, they painted a backdrop featuring classical ...

Most people exploring a city focus on what’s above ground. But in several cities across the U.S., there's an entirely ...

Deep beneath the city of Liverpool is a mysterious set of tunnels that stretch for miles. Who built them? What were they built for? Uncover the secrets of Joseph Williamson, the Mole of Edge Hill.

LAS VEGAS (KLAS) – A $15 million tunnel project is pushing unlawful underground residents onto Las Vegas streets and neighbors are asking for solutions. During a Monday meeting at the Clark C… ...

The tunnel in Norway, which is expected to be completed in 2033, is to descend nearly 1,300 feet below sea level.

Beneath the streets of great cities lies a world of secrets and ancient memories. The Subterranean Tourist is your guide to London’s hidden, historic underworld.

During World War II, citizens of London spent long stretches of time taking refuge in tunnels beneath the city when German bombing raids flew above. Those tunnels were later used by British Telecom, ...

The tunnels lie directly below London Underground’s Central Line in the city’s Holborn area. Work to dig them began in secret in 1940, when Britain feared invasion by Nazi Germany.

The tunnels lie directly below London Underground’s Central Line in the city’s Holborn area. Work to dig them began in secret in 1940, when Britain feared invasion by Nazi Germany.

The tunnels lie directly below London Underground’s Central Line in the city’s Holborn area. Work to dig them began in secret in 1940, when Britain feared invasion by Nazi Germany.