Here are the top 10 caves in the USA that deserve a spot on your bucket ... Mammoth Cave boasts the longest known cave system in the world. Its 420+ miles of charted passageways feature incredible ...

A caving expedition turned tragic when 26-year-old John Edward Jones became trapped inside Utah's Nutty Putty Cave. Despite a ...

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

Play the USA TODAY Daily Crossword Puzzle ... While Sand Cave is not part of the Mammoth Cave system, Collins’ entrapment and the widespread attention it generated brought the area “back ...

No one knows how big the underside is. More than 365 miles of the five-level cave system have been mapped, and new caves are continually being discovered. Two layers of stone underlie Mammoth's ...

They had crawled into Cave of the Winds, deep inside a cave system known as Clearwater, where they would search for a passage to Racer Cave, part of the Racer-Easter system. Connecting the two ...