Free Walking Sightseeing Tour #4 in Niagara Falls, United States

The Maid of the Mist is a sightseeing boat tour of Niagara Falls, starting and ending on the American side, crossing briefly into Canada during a portion of the trip.

Wikipedia: Maid of the Mist (EN), Website

Goat Island is a small island in the Niagara River, in the middle of Niagara Falls between the Bridal Veil Falls and the Horseshoe Falls. The island is at the southwest corner of the City of Niagara Falls, New York, in the United States and is part of Niagara Falls State Park.

Wikipedia: Goat Island (New York) (EN)

Luna Island is a very small uninhabited island in the Niagara River in the U.S. state of New York.

Wikipedia: Luna Island (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)

Queen Victoria Park is the main parkland located in Niagara Falls, Ontario, Canada opposite the American and Canadian Horseshoe Falls. Established by the Niagara Falls Park Act in 1885 and opened in 1888, the park is operated by the Niagara Parks Commission and is considered the centerpiece of the Niagara Falls recreational tourist area.

Wikipedia: Queen Victoria Park (EN), Website