While exploring the depths of Pettyjohns Cave, we made an incredible discovery - a hidden chamber filled with huge, glistening crystals. In this video, we take you along as we crawl, climb, and ...

Explorations in the Lechuguilla Cave, New Mexico, have uncovered a 150-mile underground maze, known for its unique speleothems and untouched geological features.

A majestic “counterpoint” to the park’s namesake trees, the cave is welcoming visitors back after recovering from fire and storm damage.

For Father's Day, our articles editor decided to write a story that he was repeatedly pitched by his dad. It’s about caves.

After a four-year closure due to natural disasters, Crystal Cave in Sequoia National Park reopened to the public in time for Memorial Day, the unofficial start of the summer.

Crystal Cave in Sequoia National Park, California, reopens for the season, offering guided tours and a magical underground experience after a 4-year closure.

Crystal Cave in Sequoia National Park, California, reopens for the season, offering guided tours and a magical underground experience after a 4-year closure.

Crystal Cave, located in Sequoia National Park, reopens to the public on May 23 after a four-year closure due to fire and weather damage. Visitors can purchase tickets for guided tours, with ...