Spectacular pictures of half-frozen Niagara Falls go viral

Visitors are photographed in front of water flowing around ice at the base of the American Falls due to cold temperatures in Niagara Falls, New York.

Water flowing around ice sits at the base of the American Falls due to cold temperatures in Niagara Falls, New York.

Two men take photographs at the Horseshoe Falls in Niagara Falls, Ontario.

Water flowing around ice sits at the base of the American Falls due to cold temperatures in Niagara Falls, New York.

Ice sits at the base of the American Falls due to cold temperatures in Niagara Falls, New York.

Visitors view water flowing around ice at the American Falls due to cold temperatures in Niagara Falls, New York.

Visitors help each other across ice accumulated in Niagara Falls State Park due to cold temperatures in Niagara Falls, New York.

Ice accumulates on a deck at the base of the American Falls due to cold temperatures in Niagara Falls, New York, US.

Ice forms at the brink of Horseshoe Falls due to cold temperatures in Niagara Falls, New York.

Ice sits at the base of the American Falls due to cold temperatures in Niagara Falls, New York, US.