You may not realize that the U.S. is filled with hidden, mysterious caves. Several are part of the national or state parks, and they’re worth the excursion. Whether you are a thrill-seeker looking for ...

You may not realize that the U.S. is filled with hidden, mysterious caves. Several are part of the national or state parks, and they're worth the excursion. Whether you are a thrill seeker looking for ...

Last month images of the ice caves on Lake Superior went viral. The lake had frozen over to its greatest extent in decades, and for the first time in five years the sea caves of Apostle Islands ...

After a four-year closure, Crystal Cave is inviting visitors to "marvel at its underground splendor," Sequoia Parks Conservancy officials stated in a press release. Tickets for guided tours of the ...

When a local man discovered the entrance to Vietnam’s Son Doong cave in 1991, it appeared infinite. He feared the giant precipice that descended nearly 300 feet below him. For 18 more years, the cave ...

Cave exploration -- or spelunking -- is an affordable, family-friendly activity that can feel like a bona fide adventure. Spurred along by changes in the atmosphere involving wind, water, sand erosion ...

Missouri, long known as the “Cave State,” has thousands of caves, and although each cave deserves its own spotlight, we're going to focus on six caves that you may want to visit near Springfield. Some ...

Some morning, perhaps sooner than you think, you will wake with blazing sun in your eyes and know one thing is true: This is the day you will go underground. If you know the slightest thing about ...