Niagara Falls

Nik Wallenda's Niagara tightrope triumph

Nik, a seventh-generation member of the daredevil and circus legends, the Flying Wallendas, became the first to walk a tightrope over the full 1,800 feet of the gorge, fulfilling a life's ambition and boosting tourism

Woman swept over Niagara Falls

Authorities say a woman is presumed to have drowned after being swept over Niagara Falls when she fell from a railing along the Canadian side of the Niagara River.

Solved: mystery of the disappearing lake

The sudden and dramatic disappearance of a large lake which had formed on the surface of a melting ice sheet in Greenland has been documented for the first time by scientists who estimated that its outflow was greater than that of Niagara Falls.