All these landscapes fantastic scenery. Many beautiful places in the world that we do not even know. Expanses of marsh Salar de Uni in Bolivia. The world’s largest salt marsh on the wet season reflects the sky like a huge mirror. And during the winter months when there is dry weather, the marsh surface resembles a mosaic. Four corners, Eng. Four Corners – region of the United States, covers an area of southwest Colorado, northwest New Mexico, northeast Arizona and southeast Utah. Name refers to the four corners of the Monument, located at the intersection of the borders of all four states .