Add Yahoo as a preferred source to see more of our stories on Google. It’s New Zealand in 1887. Two men push an unsteady raft into a stream, just where it vanishes into a rift in the Earth. Opaque ...

In terms of tourist attractions, Indiana doesn't receive quite as much acclaim as neighboring Midwestern states. But far from being a mere thoroughfare to Chicago, the Hoosier State has plenty of ...

With more than 7,500 known caves, the Show-Me State is often called the Cave State, and for good reason. In this article, I’ll guide you through Missouri’s most awe-inspiring underground destinations, ...

FLAGSTAFF — Did you know Flagstaff is home to one of the largest lava tube caves in the country? The Lava River Cave in the Coconino National Forest stretches over a mile underground and was formed ...

Add Yahoo as a preferred source to see more of our stories on Google. I'm a severe claustrophobe. After getting trapped in a slide in my local McDonald's at five years old, I swore off all tight and ...

On January 30, 1925, cave explorer Floyd Collins made history when he became trapped while exploring Sand Cave near historic Mammoth Cave. It took nearly two weeks to reach Floyd who was found dead of ...

A recent study published in Nature Geoscience examines how the caves located beneath the Grand Canyon could help scientists better understand Earth’s past climate while simultaneously making better ...

Inside the Swallow Cave in Guiding County, southwest China's Guizhou Province, the digital world vanishes. Cell phone signals drop just 100 meters beyond the entrance, leaving only the sound of ...