A riverside stroll with a cave and a tunnel might not sound intimidating, but this little loop in Patapsco Valley State Park ...

You might not think about caves in the same breath as you do the deep ocean or outer space, but you probably should. There are approximately 70,000 caves in the United States alone, but the vast ...

Both trails straddle between Yawgoog Scout Reservation in Rhode Island and Pachaug State Forest in Connecticut. There are two ...

High water forced us off the planned route and into a section of cave that no one had ever explored before, and the second we squeezed into it we knew we’d crossed into something different. The walls ...

A video showing how two people squeeze into an extremely tight California cave system dubbed "Hell Hole" has caused many Reddit users to say "nope." The video was posted to the subreddit ...

Excitement filled the room as nervous eyes scanned informational displays and artifacts that decorated a staging area. Soon, our group of about 10 would descend deep into the caverns of the Cave of ...

Excitement filled the room as nervous eyes scanned informational displays and artifacts that decorated a staging area. Soon, our group of about 10 would descend deep into the caverns of the Cave of ...

You might not think about caves in the same breath as you do the deep ocean or outer space, but you probably should. There are approximately 70,000 caves in the United States alone, but the vast ...