If you mean by total height.. ==Glymur== with a cascade of 196 m - Tallest freefall height.. ==Háifoss== at 122 m - 'Biggest' or most powerful.. ==Dettifoss== Height:44 m, Width: 100 m, (Avarage) Discharge: 200 m3/s. (Most powerful waterfall in all of "Europe")
The biggest waterfall in the Amazon river is the Ocapocysic waterfall
Jog waterfall
Iceland's biggest lake is Þórisvatn.
Angel Falls, in South America.
The second biggest waterfall in the world is the niagara falls!
Chitrakot Waterfall, Jagdalpur, Chhattisgarh
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Victoria Falls
Waimoku Falls.
Scotland
The biggest glacier in Iceland is called Vatnajökull :)
The biggest waterfall in the world is Angel Falls in Velenzuela.