Observatory
Niagara Falls Observation Tower
5 locals recommend,
Tips from locals
You can do this in a day and wouldn't need your passport if you stay on the US side. Zip on up, see the falls and come on back for dinner and a restful evening at MapleFell. You could also visit the Canadian Side should you choose, but don't forget your passport.
Unique things to do nearby
Location
332 Prospect St
Niagara Falls, NY