Fjaðrárgljúfur Canyon in Iceland is a stunning natural wonder that features a deep ravine carved by a glacial river, surrounded by golden cliffs and lush greenery. The canyon, formed over thousands of years, offers a picturesque hiking trail along its 2-kilometer length, with the highlight being Mögáfoss waterfall at the end. Made famous by a Justin Bieber music video and Game of Thrones, Fjaðrárgljúfur is a must-visit spot along your south Iceland road trip!