This is Liechtensteinklamm, a spectacular gorge in Austria. Think emerald-green water, mossy stones, vertigo-inducing cliffs, misty waterfalls and ancient legends. It's only 50km south of Salzburg and one of the deepest and longest gorges in the Alps. Get your travel guide to Liechtensteinklamm here.
The Coolest Hike in Europe: Leichtensteinklamm, Austria