Edwin Howard Armstrong was an American electrical engineer and inventor who developed FM radio and the superheterodyne receiver system.
The National Register of Historic Places (NRHP) is the United States federal government's official list of sites, buildings, structures, districts, and objects deemed worthy of preservation for their historical significance or "great artistic value".
A National Historic Landmark (NHL) is a building, district, object, site, or structure that is officially recognized by the United States government for its outstanding historical significance. Only some 2,500, or roughly three percent, of over 90,000 places listed on the country's National Register of Historic Places are recognized as National Historic Landmarks.
The Croton Aqueduct or Old Croton Aqueduct was a large and complex water distribution system constructed for New York City between 1837 and 1842. The great aqueducts, which were among the first in the United States, carried water by gravity 41 miles (66 km) from the Croton River in Westchester County to reservoirs in Manhattan. It was built because local water resources had become polluted and inadequate for the growing population of the city. Although the aqueduct was largely superseded by the New Croton Aqueduct, which was built in 1890, the Old Croton Aqueduct remained in service until 1955.
Sunnyside Gardens is a community within Sunnyside, a neighborhood in the New York City borough of Queens. The area was the first development in the United States patterned after the ideas of the garden city movement initiated in England in the first decades of the twentieth century by Ebenezer Howard and Raymond Unwin, specifically Hampstead Garden Suburb and Letchworth Garden City.
Philosophy Hall is a building on the campus of Columbia University in New York City. It houses the English, Philosophy, and French departments, along with the university's writing center, part of its registrar's office, and the student lounge of its Graduate School of Arts and Sciences. It is one of the original buildings designed for the university's Morningside Heights campus by McKim, Mead, and White, built in the Italian Renaissance Revival style and completed in 1910. Philosophy Hall is listed on the National Register of Historic Places and has been designated a National Historic Landmark as the site of the invention of FM radio by Edwin Armstrong in the early 1930s.
Florence Mills House is a house at 220 West 135th Street in Harlem, Manhattan, New York City. The house was originally believed to be the residence of Florence Mills, a leading African-American actress and entertainer during the 1920s. She lived at this address, or a similar address a few blocks away, during her most productive years from 1910 to 1927. The 220 West 135th Street building that existed in 1927 no longer stands and has been replaced. The site was designated a National Historic Landmark in 1976.
The Alice Austen House, also known as Clear Comfort, is located at 2 Hylan Boulevard in the Rosebank section of Staten Island, New York City, New York. It was home of Alice Austen, a photographer, for most of her lifetime, and is now a museum and a member of the Historic House Trust. The house is administered by the "Friends of Alice Austen", a volunteer group.
The Louis Armstrong House is a historic house museum at 34-56 107th Street in the Corona neighborhood of Queens in New York City. It was the home of Louis Armstrong and his wife Lucille Wilson from 1943 until his death in 1971. Lucille gave ownership of it to the city of New York in order to create a museum focused on her husband.
The Boston Post Road Historic District is a 286-acre (116 ha) National Historic Landmark District in Rye, New York, and is composed of five distinct and adjacent properties. Within this landmarked area are three architecturally significant, pre-Civil War mansions and their grounds; a 10,000-year-old Indigenous peoples site and viewshed; a private cemetery, and a nature preserve. It is one of only 11 National Historic Landmark Districts in New York State and the only National Historic Landmark District in Westchester County. It touches on the south side of the nation's oldest road, the Boston Post Road, which extends through Rye. A sandstone Westchester Turnpike marker "24", inspired by Benjamin Franklin's original mile marker system, is set into a wall that denotes the perimeter of three of the contributing properties. The district reaches to Milton Harbor of Long Island Sound. Two of the properties included in the National Park Service designation are anchored by Greek Revival buildings; the third property is dominated by a Gothic Revival structure that was designed by Alexander Jackson Davis.
The Edward G. Acheson House is a historic house at 908 West Main St. in Monongahela, Washington County, Pennsylvania, United States. Probably built about 1870, it is notable as the home of Edward G. Acheson (1856-1931), the inventor of carborundum, and as the likely site of its invention. It was designated a National Historic Landmark in 1976.
Poillon-Seguine-Britton House was a historic home located in Great Kills, Staten Island, New York, near Great Kills Harbor. The original section was built about 1695 for the French immigrant Jacques Poillon, with a 2-story addition completed about 1845 after the home was sold to Joseph Seguine, and a final major expansion in 1930 for Richard Britton. It was a substantial, 2+1⁄2-story, stone-and-wood structure in the local vernacular style. The interior had some notable Greek Revival style details.
There are numerous nationally and locally designated historic sites and attractions in Westchester County. These include architecturally significant manors and estates, churches, cemeteries, farmhouses, African-American heritage sites, and Underground Railroad depots and waystations. There are sites from pre-Revolutionary and Revolutionary times, as well as battlegrounds. Westchester County also played an important role in the development of the modern suburb, and there are many associated heritage sites and museums.
