Vikings was filmed in Ireland
Skógafoss
In movie
Scene where After a long time at sea viking Flóki discovers 'The land of the Gods'.
(Season 5)
Real
Scene was shot The Skógafoss is a 60 meter high and 25 meter wide waterfall in southern Iceland not far from the town of Skógar. The Skógá River now flows there over the edge of a cliff of Iceland's former coastline.
Skogar