Visitors can explore the 21-mile cave system for short 1-hour trips, or longer 3-hour tours. But for the adventurous types, the park offers an overnight expedition not only along the underground river ...

Looking to take an underground adventure in the state of Missouri? There are many wonderful caves you can visit, depending on ...

a secret cave that is. Stretching approximately eight miles, these beautiful underground passageways (dubbed Rio Secreto, or secret river) have inspired exploration by experienced cavers and ...

The House budget includes $1.2 million to use drones for creating a 3D map to identify pollution sources threatening clarity ...

Traverse 330 steps on the way to such distinctive chambers as the “Devil’s Kitchen” and the “Crystal Vault.” Wild caving ...

Lost River Cave, a nature attraction in Bowling Green, is under roughly 60 feet of floodwater as severe storms dropped ...

The cave is one of about 275 known caves in Sequoia and neighboring Kings Canyon National Park. The park’s only publicly ...

Sistema Sac Actun (Mexico) – Located in the Yucatán Peninsula, it's one of the world’s longest underground rivers, connected to ancient Mayan cenotes. Lost River (USA – Indiana) – This river vanishes ...

Several rivers across the world have mysteriously vanished underground or flow beneath the surface for miles, puzzling ...

If you're looking for a unique experience, camping near Colorado caves adds an extra layer of excitement to your trip. Get ready to discover some of the top places to camp in Colorado for an ...

The underground river, the Meramec River, just adds to the cave's allure and is a drawing point for visitors. Some of the highlights of the Onondaga Cave tour include: King's Canopy: a massive ...