When Floyd Collins ventured into Sand Cave in Mammoth Cave, Kentucky on Jan. 30, 1925, he was searching for a destination that would draw in people in from all over world. Remarkably, the cave ...

At a little more than a mile, Lava River Cave is Oregon’s longest intact lava tube. It’s also one of the most popular caves to explore in central Oregon. The cave is part of Bend’s Newberry National ...

A national park in Kentucky has the longest known cave system in the world. This week, Floyd Collins is being remembered there. He was an explorer whose death a century ago became an international ...

People might not believe it if they haven't been to Missouri, but the state, which is also known as the Cave State, is home to over 7,000 caves offering a plethora of breathtaking subterranean ...