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

The ice volcano is created when an uphill pond feeds down into the fountain and sprays water into the air, giving the illusion of an eruption. When temperatures drop, the fountain's water freezes ...

Another stunning image captured by the Hawaiian Volcano Observatory showed whirlpool textures in the lava pond's crustal plates, a phenomenon called lava drainback. The volcano began its current ...