Niagara Falls look awesome from the Canadian side as compared to the US sideNo issue, if visa not granted then we look for United States as ultimately my wife has to view Niagara Falls which we can also see from United States
You're missing the point. TRV refusals from Canada could affect the chances of US B1/B2 approvals. Not sure why you're insistent on visiting Canada at this point in time. The possibility of TRV refusals is pretty high IMO. It's your call