When the summer sun is blazing, there’s no better way to cool off than by heading underground. Caves offer a naturally air-conditioned escape, along with a chance to explore some of the Earth’s most ...

Russell Cave National Monument is located in northeastern Alabama near the Tennessee border. Russell Cave is an archaeo ...

Beneath the Valley: the story of the famous caves of the Virginias -- The toughest cave: the story of Schoolhouse Cave -- The eternal standard: the story of Mammoth Cave -- In a lonely sandstone cave: ...

Hidden River Cave in Horse Cave was closed to the public for decades until a local effort to clean it out began.

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.

Carlsbad Caverns, one of the most impressive underground complexes on the planet and a UNESCO World Heritage Site, has been threatened not by an earthquake or natural erosion, but by something as ...

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

The last time anyone saw Pfc. John B. Quinn, Jr, a 29th Regiment Marine, he was headed into a cave on the island of Okinawa, some 7,600 miles away from his home in New York. The year was 1945. After ...