In this stock picture, the iconic falls are seen flowing normally in the summer months.
One of the earliest images showing a frozen Niagara Falls, in sepia tones, is thought to be from 1911 or 1912, though skeptics have questioned its authenticity because its photographer is unknown
This image of an icy falls is believed to be from 1890 or 1902
Ice bridges spanning the Niagara River from bank to bank have formed as a result of various cold winters. The above photo was taken circa 1936.
source:dailymailUK
