There are two main ways to see Niagara Falls from high in the air. The first one is an helicopter right and the second one is by visiting the observatory deck at the Skylon Tower.
At the Skylon Tower you can enjoy an outdoor observation deck, where you can see the Falls from 775 feet. The Skylon tower also count with 2 dining rooms, both overlooking the Falls: The Skylon Tower Summit Suite Buffet Dining Room and the Skylon Tower Revolving Dining Room.
When you arrive to the tower you get on the glass enclosed Yellow Bug elevators. They take you to the top of the Skylon tower. The ride only takes around 50 seconds, but you can see the city on the way up and the Falls on the way down.
The Skylon Tower Observation Deck offer a 360-degree view of Niagara Falls. You can actually see both the American Falls and the Canadian Falls at the same time. You can also get a glance of Niagara Gorge, the Niagara wine district, and the city buildings.
For more information and to book your trip visit Skylon Tower