Missouri’s Meramec Caverns feature rare rock formations, rich history, and a colorful fall landscape above ground.

When the Bluegrass State comes to mind, so does the Kentucky Derby and Kentucky Fried Chicken — but why not the countless scenic attractions the state has to offer? Home to the world's largest cave ...

On Sunday’s episode of The Excerpt podcast: Hidden beneath Earth’s surface are caverns and pathways that hold the secrets of our planet’s very beginnings. Even after decades of exploration, there are ...

Hidden inside Vietnam’s Phong Nha-Ke Bang National Park is Son Doong, the largest cave on Earth. It’s so vast that a Boeing ...

While precious summer hours are slowly ticking away, fall-like weather may be nice enough to get outside on the weekends for weeks yet. In case you weren't paying attention, fall returns on Sept. 22.

Deep within a long-sealed cave overlooking the Loire River in central France, scientists have uncovered what may be the ...

Though cave tours at the Mammoth Cave National Park have been suspended, visitors can still access campgrounds and trails.