Our Planet still hides many mysteries. Why does the world’s largest gathering of whale sharks happen in just one special place off the coast of Mexico? What has it got to do with a meteorite hurtling through space? Why are komodo dragons only found where they are? How did one of the planet’s most exquisite rainforests become forgotten? From the strangest animals of Sulawesi, to the spooky creatures of the Mayan underworld; from the haunt of Pumas and the Mars - like high Andes, to a lost world...