With a depth of around 2,199 metres, a cave in Georgia is so deep that nearly seven Eiffel Towers could fit inside.

From a protected cove on Long Island, Dean’s Blue Hole—Earth’s deepest known underwater cave—plunges more than 600 feet into darkness. The entry to South Passage is decorated by ...

If you're looking to explore the hidden treasures below the surface, underwater cave adventures are as unique as they come ...

A SCUBA diver has tragically died in a notorious underwater cave after getting trapped in a 100ft deep labyrinth. Cops rushed to Twin Caves in the Blue Springs Recreation Area, Florida after ...

Take a deep breath and dive below the surface with cave-diving experts and scientists in the video above. Find out what it takes to plunge into the dark and mysterious world of underwater caves. Caves ...