Stunning footage has been released of Niagara Falls covered in snow and ice after a period of extreme cold weather. Despite appearances, the water hasn't fully frozen. It continues to move beneath the sheet of ice.

Usually the Maid of the Mist ferries tourists into the spray churned up by 2.3million gallons of water crashing over the Niagara Falls each second. But the ice below is too thick for any tour boats to break through since the Niagara River,

Extreme cold has blanketed Niagara Falls in heavy snow and ice. Footage from Tuesday (January 28), captured on the New York side, shows thick ice and snow surrounding the iconic landmark.

The world's most iconic waterfalls sees millions of visitors every year - but this week they are being treated to a very rare sight.