A partially frozen American Falls is seen lit by lights during subfreezing temperatures in Niagara Falls, Ontario. March 3, 2014

An old hydro building is seen behind Niagara Falls during subfreezing temperatures in Niagara Falls, Ontario. March 3, 2014.

A partially frozen Niagara Falls is seen on the American side during subfreezing temperatures in Niagara Falls, Ontario. March 3, 2014

A partially frozen Niagara Falls is seen on the American side during subfreezing temperatures in Niagara Falls, Ontario. March 3, 2014

A couple looks out over the partially frozen American side of the Niagara Falls during subfreezing temperatures in Niagara Falls, Ontario. March 3, 2014

A partially frozen Niagara Falls is seen on the American side during subfreezing temperatures in Niagara Falls, Ontario. March 3, 2014

People walk in front partially frozen American side of the Niagara Falls on during subfreezing temperatures in Niagara Falls, Ontario. March 3, 2014

A partially frozen base of Horseshoe Falls is seen on lit by lights during subfreezing temperatures in Niagara Falls, Ontario. March 3, 2014

A partially frozen Niagara Falls is seen on the American side during subfreezing temperatures in Niagara Falls, Ontario. March 3, 2014

A partially frozen Niagara Falls is seen on the American side during subfreezing temperatures in Niagara Falls, Ontario. March 3, 2014

A partially frozen Niagara Falls is seen on the American side during subfreezing temperatures in Niagara Falls, Ontario. March 3, 2014

People look out over the partially frozen American side of the Niagara Falls on during subfreezing temperatures in Niagara Falls, Ontario. March 3, 2014

A partially frozen Niagara Falls is seen on the American side during subfreezing temperatures in Niagara Falls, Ontario. March 3, 2014

A partially frozen Niagara Falls is seen on American side lit by lights during subfreezing temperatures in Niagara Falls, Ontario. March 3, 2014