When Niagara Falls was Frozen

pic: REUTERS/Aaron Harris

Niagara Falls
Waterfall
Niagara Falls is the collective name for three waterfalls that straddle the international border between Canada and the United States; more specifically, between the province of Ontario and the state of New York. Wikipedia
Elevation: 167' (51 m)
Height: 167' (51 m)
Flow rate: 64,770 ft³/s (1,834 m³/s)