Imagine swimming in crystal-clear waters, surrounded by dramatic ... Here are five of the most breathtaking underwater caves you need to see: One of the most famous underwater caves in the world ...

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 ...

Beneath the land surface of the Bahamas, the underwater caves known as blue holes stretch for hundreds of miles in all directions. Today, these labyrinthine passages host a variety of tiny sea ...

Beddows, 42, has made a similar transformation in her own career. When she first started studying the geology and hydrology of underwater caves, she worked with experienced divers who brought back ...

A group of divers have connected two underwater caverns in eastern Mexico to reveal what is believed to be the biggest flooded cave on the planet, a discovery that could help shed new light on the ...

There is an extensive underwater cave network beneath the springs that experienced divers can explore. For casual swimmers, the waters are typically clear, calm, and a consistent temperature of 72 ...

But there is hope, says Thymann, and documenting this dense habitat of underwater caves may be the first step in protecting the manatees that live there. Receive a weekly dose of discovery in your ...

Both caves are part of one of the world's longest underwater limestone cave systems ... commenting on the clear waters, lack of crowds and overall beautiful setting. Some visitors recommended ...

Imagine swimming in crystal-clear waters, surrounded by dramatic ... One of the most famous underwater caves in the world, the Blue Hole is a giant sinkhole located off the coast of Belize.