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Gljúfrafoss Waterfall (Iceland)
This waterfall in Iceland is especially mysterious. That’s because it flows down into a huge cave. If you want to visit this waterfall, don’t be claustrophobic: you have to slide down through a narrow crack in the rock to get to the cave where you can see the waterfall. But once you stand here, you will be amazed at the sight of the waterfall, which seems to come down from nowhere. On a viewing platform, about halfway up the waterfall, you can view the waterfall from a different perspective.
