This freakish mushroom, native to Australia and New Zealand, is secretly spreading like wildfire around the world. Botanically it's from the fungi kingdom, but it looks like an alien egg that is about to hatch!
Most fungi grow out of the soil or on trees, and are fairly recognizable. But clathrus archeri grows in a gelatinous egg-like sack until its fruit body is ready to emerge. Who knew that mother nature could create such a strange-looking plant?