Holy Trinity Roman Catholic Church Complex (Niagara Falls, New York)

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.

Christ the Saviour Monastery, also known as Christminster, is a Benedictine monastery of the Russian Orthodox Church Outside Russia (ROCOR) in Hamilton, Canada. The monastery is an institution of Western Rite Orthodoxy.

The Old Stone Chimney, is located in the city of Niagara Falls, New York. It is a masonry chimney built as part of a two-story barracks on the site of the French "Fort du Portage," or "Fort Little Niagara," by Daniel Joncaire in 1750, when the Niagara River and its shores were part of New France on the North American continent. The chimney has been repurposed several times since by British and American interests. Relocated three times (1902, 1942, and 2015), the Old Stone Chimney is currently located between the Niagara River and the Robert Moses Parkway east of the Adams Slip along the bike path on the river. Previously located in the former Porter Park on Buffalo Avenue, at the foot of 10th Street along an embankment of the Niagara Scednic Parkway, close to the exit ramp to John B. Daly Boulevard. The Old Stone Chimney is 31 feet tall and weighs approximately 60 tons.

Niagara Falls Memorial Medical Center is a hospital in downtown Niagara Falls in the state of New York, founded in 1895, that has been serving the Greater Niagara region for over 100 years.

Fallsville Splash Park was a water park located in Niagara Falls, New York. It was adjacent to the former Niagara Falls Convention Center.

Former Niagara Falls High School is a historic high school located at Niagara Falls in Niagara County, New York, USA. It was built in 1923 and added to the existing gymnasium structure, and designed by local architect Simon Larke, who also designed the James G. Marshall House. The original structure is in the Neoclassical revival style. An addition was constructed in 1963.The building was threatened with demolition in late 2000, but was spared and is currently used as the Niagara Arts & Cultural Center. The multi-arts center features over 60 artist studios, two galleries, two theaters, a certified sound stage and movie production facility, the Niagara Falls High School alumni center and a café and gift shop. It was listed on the National Register of Historic Places in 2002.

Oakwood Cemetery in Niagara Falls, New York was founded in 1852 after land was donated by Lavinia Porter. It covers over 18 acres (1 km2) and over 19,000 are buried there. The cemetery was listed on the National Register of Historic Places in 1984.

Mount St. Mary's Hospital or St. Mary's Manor is a historic Neoclassical Revival hospital building located at Niagara Falls in Niagara County, New York. It was listed on the National Register of Historic Places in 2015.

Niagara Falls School District Administration Building is a historic government building located at Niagara Falls, Niagara County, New York. It was built in 1927–1928, and is a two-story, 14-by-5-bay, buff-colored brick building with Classical Revival detailing. It has a flat roof, limestone trim, a partially exposed finished basement, and rear ell. It features a pedimented central entry portico and arched first floor windows. It remained in use by the city schools until 2007.It was listed on the National Register of Historic Places in 2014.

Holley-Rankine House is a historic home located at Niagara Falls in Niagara County, New York. It is a two-and-a-half-story Gothic Revival cottage built about 1855 by prominent local resident George Washington Holley (1810–1897). After his death it became the home of William B. Rankine (1858–1905), who was largely responsible for constructing the Adams Power Plant. It is located overlooking the Niagara River, just above the American Falls. It is now operated as a bed and breakfast. It was listed on the National Register of Historic Places in 1979.

Seneca Niagara Casino & Hotel is a casino in Niagara Falls, New York, United States. It was built by the Seneca Nation to compete with Casino Niagara and Niagara Fallsview Casino Resort in Niagara Falls, Ontario, Canada. Formerly known as the Niagara Falls Convention and Civic Center, it was sold to the federally recognized Seneca Nation of New York. The casino floor has an area of 147,000 sq ft (13,700 m2) with 99 gaming tables and 4,200 slot machines. It is the largest hotel in New York state outside of Manhattan.

Niagara Falls Convention and Civic Center was a 10,000-seat multi-purpose arena and convention center in Niagara Falls, New York from 1973 to 2002.