Using Microsoft's http://maps.live.com/ I came up with a tremendous bird eye view of Niagara Falls.
The Horseshoe:http://maps.live.com/default.aspx?v=2&cp=r5cr5b8d99bg&style=o&lvl=2&tilt=-90&dir=0&alt=-1000&scene=1004241&encType=1
A bigger picture:http://maps.live.com/default.aspx?v=2&cp=r5d9cm8d9720&style=o&lvl=2&tilt=-90&dir=0&alt=-1000&scene=1996131&encType=1
Hope you enjoy!