Described as a 'happy accident', this man-made feature blue pond in Hokkaido, Japan, formed following work on the Biei River ...

One scuba diver died and two others were rescued after they ventured into one of Florida’s famously flooded caverns, according to searchers in the Panhandle.

The site has two openings, one that is 18.5 feet below the surface, and they’re covered in “clear, light blue water,” the atlas reports. Cave passages extend hundreds of feet below the pond ...