We had a boat ride below Niagara Falls on Maid of the Mist, which goes up close to both the American and Horseshoe falls.
Boarding the boat via the floating loading platform:

A viewing platform tower, included as part of the package, which also serves as an elevator down to the boat:

A view of the Rainbow Bridge to Canada from the top deck of the boat:

The American Falls:




Cave of the Winds platforms:


Horseshoe Falls:











Canadian boat:


Back to the American Falls:


A super fun (and damp!) experience.