Penn’s Cave holds a title that no other attraction in the United States can claim. It is the only all-water cavern in America ...
Researchers have discovered the remains of an ancient shark deep inside the world's longest cave system. The newly discovered shark, plucked from the walls of Mammoth Cave in Kentucky, lived around ...
Researchers exploring Phantom Springs Cave near Balmorhea have documented new species in one of North America’s deepest underwater cave systems. The fragile ecosystem, accessible only to specialized ...
Ox Bel Ha, located beneath Mexico’s Yucatán Peninsula, has officially reclaimed its title as the longest underwater cave system in the world, stretching an astonishing 524 kilometers. This submerged ...
Kisatchie National Forest is a labyrinth of hiking trails, some of which lead to hidden lakes, swimming holes, and even a cave. The only known cave in Louisiana, called Wolf Rock Cave, can be found in ...