These falls, known as foss in Icelandic, range in volume from the most powerful waterfall in Europe, Dettifoss, to those that plunge into swirling blue-green pools, cascade down black basalt ...

The 20-year-old walked along slippery rocks to overlook the raging waters at Dettifoss in Iceland, which is a 100 metres wide and has a 45-metre drop. Disclaimer - this is very dangerous and ...