5 Sights in Niagara Falls, United States (with Map and Images)

Horseshoe Falls is the largest of the three waterfalls that collectively form Niagara Falls on the Niagara River along the Canada–United States border. Approximately 90% of the Niagara River, after diversions for hydropower generation, flows over Horseshoe Falls. The remaining 10% flows over American Falls and Bridal Veil Falls. It is located between Terrapin Point on Goat Island in the US state of New York, and Table Rock in the Canadian province of Ontario.

Wikipedia: Horseshoe Falls (EN)

Adams Power Plant Transformer House in Niagara Falls, New York is a National Historic Landmarked building constructed in 1895. It is the only remaining structure that was part of the historic Edward Dean Adams Power Plant, the first large-scale, alternating current electric generating plant in the world, built in 1895. The building's eponym was Edward Dean Adams, a businessman and entrepreneur in the electrical field.

Wikipedia: Adams Power Plant Transformer House (EN)

The American Falls is the second-largest of the three waterfalls that together are known as Niagara Falls on the Niagara River along the Canada–U. S. border. Unlike the much larger Horseshoe Falls, of which approximately 90% is in Ontario, Canada and 10% in the U. S. state of New York, the American Falls is entirely within the United States.

Wikipedia: American Falls (EN)

Terrapin Point is an observation area located in Niagara Falls, New York at the western tip of Goat Island, next to the Canadian Horseshoe Falls. It is one of two major observation areas to overlook the falls and lower Niagara Gorge on the New York side, the other being Prospect Point further downriver.

Wikipedia: Terrapin Point (EN)

The Skylon Tower, in Niagara Falls, Ontario, is an observation tower that overlooks both the American Falls, New York, and the larger Horseshoe Falls, Ontario, from the Canadian side of the Niagara River.

Wikipedia: Skylon Tower (EN)