The world is full of stunning displays of natural phenomena that are so spectacular and, at times, so strange they defy conventional wisdom. Can science explain Earth's mysteries? Or does human knowledge of the Earth only scratch the surface?

Throughout the world, there have been countless sightings of bizarre creatures that, based on eyewitness accounts, can only be described as monsters, and fearsome beasts that cannot be explained by science. Is it possible that there are terrifying monsters, lurking in the shadows of planet Earth?