Ófærufoss Waterfall, located in the Icelandic Highlands, is a hidden gem that offers a breathtaking sight with its multi-tiered cascades surrounded by volcanic rocks and green moss. The name translates to "impassable waterfall," adding to its mysterious charm. Accessible only from July to September, reaching this stunning waterfall involves a scenic trek through the Eldgjá canyon. Don't forget to bring snacks and water, as there are no shops nearby. It's a must-visit for nature lovers seeking an off-the-beaten-path adventure in Iceland.