Thought to have been built sometime between 800 and 1100 AD, around 2,000 Erdstall tunnels can be found across central Europe, particularly in Bavaria, where there are over 700. With only one way in ...

A decade after it was first revealed, London's "super sewer" is now finally complete. The £5 billion (US$6.3 billion) project ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

Tom Prendergast was appointed CEO of the Gateway Development Commission, the public authority overseeing improvements between ...

Two barracks used to house German prisoners of war are still being stored on property owned by the City of Tempe.

Caver John Edward Jones died in the now infamous accident known as the Nutty Putty Cave Incident, and one awful mistake was ...

Kauai Backcountry Adventures mountain tubing tour takes Hawaii visitors through a historic irrigation ditch once used by an ...

Caver John Edward Jones died in the now notorous accident known as the Nutty Putty Cave Incident, and one tragic mistake ...

Beneath the BT tower is an underground telecommunications exchange in Birmingham. The bunker, made up of vast concrete ...