It's best to combine a trip to see Barnafoss with a visit to nearby Hraunfossar. Southeast Iceland's Svartifoss, or Black Falls, sits in the Skaftafell nature reserve in Vatnajökull National Park.

Iceland's Thingvellir National Park ... One of its notable attractions is Svartifoss, a unique waterfall whose geological formations inspired the design of Reykjavik's iconic Hallgrimskirkja ...