According to local legend, Thor the Norse god of thunder once visited the Oregon coast, where he struck a section of Cape ...

Offshore flooded caves, so-called ocean blue holes, are extensions of the sea, subject to the same heavy tides and host to many of the same species found in the surrounding waters. Inland blue ...

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 ...

Taam Ja’ Blue Hole (TJBH), is located in Chetumal Bay off the Yucatan Peninsula and it is estimated to be at least 1,380 feet (420 metres) below sea level ... network of caves and tunnels ...

ISLA: Wow, that means that limestone used to be under the sea! CONNOR ... That must be why it’s called the Cave of Roaring! A pothole is a hole from the surface down into the cave, which ...

That's when sea levels began to rise, and the cave flooded and collapsed, leaving behind the Blue Hole we see today. Researchers think that other marine sinkholes, like Dragon Hole in South China ...

These caves show evidence of a change in sea levels that took place thousands of years ago. The caves once existed above the water line, but were flooded when sea levels rose. Deep within these ...

Created during the last glacial period approximately 10,000 years ago after a cave roof crumbled ... at the surface of the hole. As you descend about 410 feet below sea level, you'll discover ...