In the summer months, this Colombian river turns red. Counted as the most weirdest places in the world, the river bed is covered by a unique species of plant, and that is what turns red. Another one of those mysterious places on earth underwater. The river is commonly called the “River of Five Colors” or the “Liquid Rainbow”. It has been called the most beautiful water body on Earth. You can make a time lapse here of the water cascading down the rocks.