Niagara Falls is simply a vast unnecessary amount of water going over the wrong way and then falling over unnecessary cliffs...The wonder would be if the water did not fall.
Even men of the noblest possible moral character are extremely susceptible to the influence of the physical charms of others. Modern, no less then Ancient History, supplies us with many most painful examples of what I refer to. If it were not so, indeed, History would be quite unreadable.