Gljufrabui, also known as Canyon Dweller, is a hidden gem of a waterfall located near the popular Seljalandsfoss in South Iceland. Tucked behind a cliff, this 40-meter beauty can only be reached by wading through a stream and entering a narrow valley. The sight of Gljufrabui tumbling before a giant boulder is like something out of a fairytale, especially when rainbows dance in the mist on sunny days. It's a bit of a challenge to get there, but totally worth it for those epic photos and peaceful nature vibes. Just make sure you're up for a little adventure and ready to get your feet wet!