Water Water is the most important element for life. It is of vital importance for the human being, as well as for the rest of the animals and living beings that accompany us on planet Earth. Below we will introduce you to some places where the water is crystal clear and the cleanest in the world The river with the cleanest crystal water in the world: The Verzasca is a mountain river in Switzerland, the water of the river is so clear that from the bottom you can see perfectly everything in the depth of the river Crater Lake, Oregon, USA The Crater Lake National Park, with its steep cliffs, its clear and deep waters and its beautiful islands, is an exceptional destination. It is a tall volcano that collapsed after an eruption, and is now the deepest lake in the USA.