Although this waterfall is now many miles from the sea, the cliff if plunges over was carved by ocean waves crashing against it at a time of higher sea level. Those waves also carved the depression behind it allowing the visitor a unique view back through the water.
Much of the exterior is covered with panels of sheet metal that vary greatly in size and shape and color. Their colors change wildly with their orientation to the sun and to light reflected by nearby panels.
Once the water has been diverted elsewhere, the colorful bacteria coloring the surface while it's wet quickly dies. What is left behind is the travertine formed when the calcium dissolved in the water while if flows through underground limestone is deposited in intricate textures. In a matter of a few years, these patterns will weather and disappear.