Old Croton Aquaduct

Irvington, sometimes known as Irvington-on-Hudson, is an affluent suburban village in the town of Greenburgh in Westchester County, New York, United States. It is located on the eastern bank of the Hudson River, 20 miles (32 km) north of midtown Manhattan in New York City, and is served by a station stop on the Metro-North Hudson Line.

The Armour–Stiner House is one of the most visually unique homes in the world. It is a unique octagon-shaped and domed Victorian style house located at 45 West Clinton Avenue in Irvington, in Westchester County, New York. It was designated a National Historic Landmark in 1976. It is the only known, fully domed octagonal residence and the only house which replicates Donato Bramante’s 1502 Tempietto in Rome.

Nevis Labs is a research center owned and operated by Columbia University. It is located in Irvington, New York, on the 60-acre (240,000 m2) property originally owned by Col. James Alexander Hamilton, the son of Alexander Hamilton, a graduate of Columbia College. James Hamilton built his mansion on this estate and named it Nevis in honor of the birthplace of his father.