Looking to take an underground adventure in the state of Missouri? There are many wonderful caves you can visit, depending on ...

Theopetra Cave, in Greece, believed to be the oldest human construction on earth, reopened to the public after 9 years of ...

Luray Caverns is one of Virginia's most prized natural wonders. I visited a few years ago and didn't tour the caverns, but ...

As Sebree and his students began to venture into new areas of Wind Cave and other caves across the U.S., they mapped the rock formations, passages, streams and organisms they found. As they ...

Underwater cave diving is a thrilling adventure for those looking to explore beneath the surface. These caves provide an ...

You’ll want to reserve tickets now to explore Crystal Cave, which will once again welcome visitors from May 23 to September 7.

NPCA shares the latest archaeological discovery at Mammoth Cave National Park, which has a pretty fascinating human history, too.