Arbor Hill Historic District–Ten Broeck Triangle
The Arbor Hill Historic District–Ten Broeck Triangle is located within the Arbor Hill neighborhood of Albany, New York, United States. It is a seven-block area north of downtown. In 1979 its current eastern section, the Ten Broeck Triangle, the second oldest residential neighborhood in the city, was recognized as a historic district and listed on the National Register of Historic Places. Four years later, it was increased to its current size.
Harbor Hill
Harbor Hill is the highest point in Nassau County, New York, at . It was the site of Harbor Hill, a large Long Island mansion built from 1899-1902 in Roslyn, New York, commissioned by Clarence Hungerford Mackay. It was designed by McKim, Mead, and White, with Stanford White supervising the project. It was the largest home he ever designed.