It can be all too easy to heap accolades upon Oregon’s most beautiful places, but this time we really, seriously mean it. The ...

A group of divers has found 100 metres of underground tunnel extending from Pines Cave, near Tantanoola. The tunnel comes within 15m of another cave, with hopes a path between the two can be found.

That cave was well above six feet high and about 40 feet deep. It looked like a tunnel, but no one was inside. CBS News Sacramento reached out to Sacramento County and within an hour got some action.

A team of explorers rappelled into the shaft-like cave and found a “pinkish” animal living in a cold river of the “deep dark zone.” Take a look.

Ban Tham Cave in Son La is the only mountain tunnel road in Northwest Vietnam, offering a thrilling off-road experience through a dark, rocky passage. A must-visit for adventure seekers! Ban Tham Cave ...

A strong air current suggested another entrance to the cave. Into the tunnel leading beyond “Hell’s Half Acre” stumbled the party. The tunnel led them into another towering amphitheatre ...

US special operations forces want new drones for cave and tunnel operations. Drones could offer communication and situational awareness benefits over military working dogs. US special operators ...