Whether it is salt flats in Bolivia or rock formations in Arizona, nature never ceases to amaze.

While the photograph is authentic, the "underwater waterfall" is the result of an optical illusion. As explained in a CNN Travel story from August 2019, "Sand and silt on the ocean floor run off in a ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

Optical illusions occur naturally in different habitats and conditions across the world. Cloud formations can sometimes make it seem like there's an ocean or a UFO in the sky. Whether it is salt flats ...