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I've been to Niagara once or twice. I have never done the boat tour though. I did walk behind the American falls, that was pretty interesting. I think we took a tour of the power station too.

Oh i would love to do the tour as I do love the water, am not sure Mrs T would be up for that. She only likes water that she can stand up in!

What about heights? Maybe you can do the Spanish Aerocar!

https://www.niagaraparks.com/visit/attractions/whirlpool-aero-car

Oh wow that got me giddy just watching!