Niagara Falls marks the border between New York state and Ontario, Canada. It is located in both countries and there are two cities for its location.

Tourists ride the Hornblower cruise ship in Niagara Falls, Ontario, Canada, Aug. 9, 2021.

The icy spectacle formed as winter weather blasted the Northeast over the weekend, bringing frigid temperatures and a deadly blizzard to Buffalo, New York — roughly 25 miles south of Niagara Falls.