what could be a simple way to teach them about the sublime, the scary, powerful aspect of nature as depicted in Romantic works

After teaching students Romanticism’s new vision of nature in reaction to Neoclassicism, what could be a simple way to teach them about the sublime, the scary, powerful aspect of nature as depicted in Romantic works? What could be an iconographic Romantic picture of sublime nature, maybe The Waterfall by Joseph Mallord William Turner?