Mysterious island near the Parana river

Is the mysterious &island near Argentina hiding an alien base? Kickstarter campaign to investigate bizarre rotating island launched A strange and almost perfect circular island sits near the northeastern edge of Argentina, which is said to float on its own axis in the middle of a swampy marsh. Called &Eye&this mysterious land is surrounded by a tiny channel of clear water and some believe it is camouflage for a massive alien base that lays quietly beneath the surface.