1. Niagara Falls Freezes Over, Circa 1912

Tourists visit a frozen Niagara Falls, circa 1912.
2. Niagara Falls Freezes Over, Circa 1936

Frozen Niagara Falls during the winter of 1936.
3. Niagara Falls Freezes Over, Circa 1859

Niagara Falls in winter 1849, seen from Goat Island.
4. Niagara Falls Freezes Over, Circa 1903

Sole Adventurer stand on an ice dome beneath the icicled Niagara Falls, circa 1903.
5. Niagara Falls Freezes Over, Circa 1896

Circa 1896: Niagara Falls with part of the falls frozen.
6. Niagara Falls Freezes Over, Circa 1951

A helicopter flies close to frozen Niagara Falls, which is frozen in 1951.
7. Niagara Falls Freezes Over, Circa 1956

Frozen Niagara Falls in 1956; trees, park grounds and rocks covered with ice with mist from the, roaring water visible.